851390540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:149

約数の個数: 288

約数和(自身を含む): 2564545536

約数和(自身を除く): 1713154996

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 23, 26, 28, 35, 43, 44, 46, 52, 55, 65, 70, 77, 86, 91, 92, 110, 115, 130, 140, 143, 154, 161, 172, 182, 215, 220, 230, 253, 260, 286, 299, 301, 308, 322, 364, 385, 430, 455, 460, 473, 506, 559, 572, 598, 602, 644, 715, 770, 805, 860, 910, 946, 989, 1001, 1012, 1118, 1196, 1204, 1265, 1430, 1495, 1505, 1540, 1610, 1771, 1820, 1849, 1892, 1978, 2002, 2093, 2236, 2365, 2530, 2795, 2860, 2990, 3010, 3220, 3289, 3311, 3542, 3698, 3913, 3956, 4004, 4186, 4730, 4945, 5005, 5060, 5590, 5980, 6020, 6149, 6578, 6622, 6923, 7084, 7396, 7826, 8372, 8855, 9245, 9460, 9890, 10010, 10465, 10879, 11180, 12298, 12857, 12943, 13156, 13244, 13846, 15652, 16445, 16555, 17710, 18490, 19565, 19780, 20020, 20339, 20930, 21758, 23023, 24037, 24596, 25714, 25886, 27692, 30745, 32890, 33110, 34615, 35420, 36980, 39130, 40678, 41860, 42527, 43043, 43516, 46046, 48074, 51428, 51772, 54395, 61490, 64285, 64715, 65780, 66220, 69230, 76153, 78260, 81356, 85054, 86086, 89999, 92092, 96148, 101695, 108790, 115115, 120185, 122980, 128570, 129430, 138460, 141427, 142373, 152306, 168259, 170108, 172172, 179998, 203390, 212635, 215215, 217580, 230230, 240370, 257140, 258860, 264407, 282854, 284746, 297689, 304612, 336518, 359996, 380765, 406780, 425270, 430430, 449995, 460460, 467797, 480740, 528814, 552851, 565708, 569492, 595378, 673036, 707135, 711865, 761530, 841295, 850540, 860860, 899990, 935594, 989989, 1057628, 1105702, 1190756, 1322035, 1414270, 1423730, 1488445, 1523060, 1682590, 1799980, 1850849, 1871188, 1979978, 2211404, 2338985, 2644070, 2764255, 2828540, 2847460, 2976890, 3274579, 3365180, 3701698, 3869957, 3959956, 4677970, 4949945, 5288140, 5528510, 5953780, 6081361, 6549158, 7403396, 7739914, 9254245, 9355940, 9899890, 11057020, 12162722, 13098316, 15479828, 16372895, 18508490, 19349785, 19799780, 24325444, 30406805, 32745790, 37016980, 38699570, 42569527, 60813610, 65491580, 77399140, 85139054, 121627220, 170278108, 212847635, 425695270, 851390540]

約数ペア:

[(1, 851390540), (2, 425695270), (4, 212847635), (5, 170278108), (7, 121627220), (10, 85139054), (11, 77399140), (13, 65491580), (14, 60813610), (20, 42569527), (22, 38699570), (23, 37016980), (26, 32745790), (28, 30406805), (35, 24325444), (43, 19799780), (44, 19349785), (46, 18508490), (52, 16372895), (55, 15479828), (65, 13098316), (70, 12162722), (77, 11057020), (86, 9899890), (91, 9355940), (92, 9254245), (110, 7739914), (115, 7403396), (130, 6549158), (140, 6081361), (143, 5953780), (154, 5528510), (161, 5288140), (172, 4949945), (182, 4677970), (215, 3959956), (220, 3869957), (230, 3701698), (253, 3365180), (260, 3274579), (286, 2976890), (299, 2847460), (301, 2828540), (308, 2764255), (322, 2644070), (364, 2338985), (385, 2211404), (430, 1979978), (455, 1871188), (460, 1850849), (473, 1799980), (506, 1682590), (559, 1523060), (572, 1488445), (598, 1423730), (602, 1414270), (644, 1322035), (715, 1190756), (770, 1105702), (805, 1057628), (860, 989989), (910, 935594), (946, 899990), (989, 860860), (1001, 850540), (1012, 841295), (1118, 761530), (1196, 711865), (1204, 707135), (1265, 673036), (1430, 595378), (1495, 569492), (1505, 565708), (1540, 552851), (1610, 528814), (1771, 480740), (1820, 467797), (1849, 460460), (1892, 449995), (1978, 430430), (2002, 425270), (2093, 406780), (2236, 380765), (2365, 359996), (2530, 336518), (2795, 304612), (2860, 297689), (2990, 284746), (3010, 282854), (3220, 264407), (3289, 258860), (3311, 257140), (3542, 240370), (3698, 230230), (3913, 217580), (3956, 215215), (4004, 212635), (4186, 203390), (4730, 179998), (4945, 172172), (5005, 170108), (5060, 168259), (5590, 152306), (5980, 142373), (6020, 141427), (6149, 138460), (6578, 129430), (6622, 128570), (6923, 122980), (7084, 120185), (7396, 115115), (7826, 108790), (8372, 101695), (8855, 96148), (9245, 92092), (9460, 89999), (9890, 86086), (10010, 85054), (10465, 81356), (10879, 78260), (11180, 76153), (12298, 69230), (12857, 66220), (12943, 65780), (13156, 64715), (13244, 64285), (13846, 61490), (15652, 54395), (16445, 51772), (16555, 51428), (17710, 48074), (18490, 46046), (19565, 43516), (19780, 43043), (20020, 42527), (20339, 41860), (20930, 40678), (21758, 39130), (23023, 36980), (24037, 35420), (24596, 34615), (25714, 33110), (25886, 32890), (27692, 30745)]