840259420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:153

約数の個数: 288

約数和(自身を含む): 2548062720

約数和(自身を除く): 1707803300

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 44, 47, 52, 55, 65, 70, 76, 77, 91, 94, 95, 110, 130, 133, 140, 143, 154, 182, 188, 190, 209, 220, 235, 247, 260, 266, 286, 308, 329, 364, 380, 385, 418, 455, 470, 494, 517, 532, 572, 611, 658, 665, 715, 770, 836, 893, 910, 940, 988, 1001, 1034, 1045, 1222, 1235, 1316, 1330, 1430, 1463, 1540, 1645, 1729, 1786, 1820, 2002, 2068, 2090, 2209, 2444, 2470, 2585, 2660, 2717, 2860, 2926, 3055, 3290, 3458, 3572, 3619, 4004, 4180, 4277, 4418, 4465, 4940, 5005, 5170, 5434, 5852, 6110, 6251, 6580, 6721, 6916, 7238, 7315, 8554, 8645, 8836, 8930, 9823, 10010, 10340, 10868, 11045, 11609, 12220, 12502, 13442, 13585, 14476, 14630, 15463, 17108, 17290, 17860, 18095, 19019, 19646, 20020, 21385, 22090, 23218, 24299, 25004, 26884, 27170, 28717, 29260, 30926, 31255, 33605, 34580, 36190, 38038, 39292, 41971, 42770, 44180, 46436, 47047, 48598, 49115, 54340, 57434, 58045, 61852, 62510, 67210, 68761, 72380, 76076, 77315, 81263, 83942, 85540, 94094, 95095, 97196, 98230, 114868, 116090, 121495, 125020, 127699, 134420, 137522, 143585, 154630, 162526, 167884, 170093, 188188, 190190, 196460, 201019, 209855, 232180, 235235, 242990, 255398, 275044, 287170, 293797, 309260, 315887, 325052, 340186, 343805, 380380, 402038, 406315, 419710, 461681, 470470, 485980, 510796, 545623, 574340, 587594, 631774, 638495, 680372, 687610, 804076, 812630, 839420, 850465, 893893, 923362, 940940, 1005095, 1091246, 1175188, 1263548, 1276990, 1375220, 1468985, 1579435, 1625260, 1700930, 1787786, 1846724, 2010190, 2182492, 2211209, 2308405, 2553980, 2728115, 2937970, 3158870, 3231767, 3401860, 3575572, 3819361, 4020380, 4422418, 4469465, 4616810, 5456230, 5875940, 6001853, 6317740, 6463534, 7638722, 8844836, 8938930, 9233620, 10912460, 11056045, 12003706, 12927068, 15277444, 16158835, 17877860, 19096805, 22112090, 24007412, 30009265, 32317670, 38193610, 42012971, 44224180, 60018530, 64635340, 76387220, 84025942, 120037060, 168051884, 210064855, 420129710, 840259420]

約数ペア:

[(1, 840259420), (2, 420129710), (4, 210064855), (5, 168051884), (7, 120037060), (10, 84025942), (11, 76387220), (13, 64635340), (14, 60018530), (19, 44224180), (20, 42012971), (22, 38193610), (26, 32317670), (28, 30009265), (35, 24007412), (38, 22112090), (44, 19096805), (47, 17877860), (52, 16158835), (55, 15277444), (65, 12927068), (70, 12003706), (76, 11056045), (77, 10912460), (91, 9233620), (94, 8938930), (95, 8844836), (110, 7638722), (130, 6463534), (133, 6317740), (140, 6001853), (143, 5875940), (154, 5456230), (182, 4616810), (188, 4469465), (190, 4422418), (209, 4020380), (220, 3819361), (235, 3575572), (247, 3401860), (260, 3231767), (266, 3158870), (286, 2937970), (308, 2728115), (329, 2553980), (364, 2308405), (380, 2211209), (385, 2182492), (418, 2010190), (455, 1846724), (470, 1787786), (494, 1700930), (517, 1625260), (532, 1579435), (572, 1468985), (611, 1375220), (658, 1276990), (665, 1263548), (715, 1175188), (770, 1091246), (836, 1005095), (893, 940940), (910, 923362), (940, 893893), (988, 850465), (1001, 839420), (1034, 812630), (1045, 804076), (1222, 687610), (1235, 680372), (1316, 638495), (1330, 631774), (1430, 587594), (1463, 574340), (1540, 545623), (1645, 510796), (1729, 485980), (1786, 470470), (1820, 461681), (2002, 419710), (2068, 406315), (2090, 402038), (2209, 380380), (2444, 343805), (2470, 340186), (2585, 325052), (2660, 315887), (2717, 309260), (2860, 293797), (2926, 287170), (3055, 275044), (3290, 255398), (3458, 242990), (3572, 235235), (3619, 232180), (4004, 209855), (4180, 201019), (4277, 196460), (4418, 190190), (4465, 188188), (4940, 170093), (5005, 167884), (5170, 162526), (5434, 154630), (5852, 143585), (6110, 137522), (6251, 134420), (6580, 127699), (6721, 125020), (6916, 121495), (7238, 116090), (7315, 114868), (8554, 98230), (8645, 97196), (8836, 95095), (8930, 94094), (9823, 85540), (10010, 83942), (10340, 81263), (10868, 77315), (11045, 76076), (11609, 72380), (12220, 68761), (12502, 67210), (13442, 62510), (13585, 61852), (14476, 58045), (14630, 57434), (15463, 54340), (17108, 49115), (17290, 48598), (17860, 47047), (18095, 46436), (19019, 44180), (19646, 42770), (20020, 41971), (21385, 39292), (22090, 38038), (23218, 36190), (24299, 34580), (25004, 33605), (26884, 31255), (27170, 30926), (28717, 29260)]