290565153880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{7643}}^1$

素因数の和:7782

約数の個数: 192

約数和(自身を含む): 721400359680

約数和(自身を除く): 430835205800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 43, 46, 62, 86, 92, 115, 124, 155, 172, 184, 215, 230, 248, 310, 344, 430, 460, 620, 713, 860, 920, 961, 989, 1240, 1333, 1426, 1720, 1922, 1978, 2666, 2852, 3565, 3844, 3956, 4805, 4945, 5332, 5704, 6665, 7130, 7643, 7688, 7912, 9610, 9890, 10664, 13330, 14260, 15286, 19220, 19780, 22103, 26660, 28520, 30572, 30659, 38215, 38440, 39560, 41323, 44206, 53320, 61144, 61318, 76430, 82646, 88412, 110515, 122636, 152860, 153295, 165292, 175789, 176824, 206615, 221030, 236933, 245272, 305720, 306590, 328649, 330584, 351578, 413230, 442060, 473866, 613180, 657298, 703156, 826460, 878945, 884120, 947732, 950429, 1184665, 1226360, 1314596, 1406312, 1643245, 1652920, 1757890, 1895464, 1900858, 2369330, 2629192, 3286490, 3515780, 3801716, 4738660, 4752145, 5449459, 6572980, 7031560, 7344923, 7558927, 7603432, 9477320, 9504290, 10188119, 10898918, 13145960, 14689846, 15117854, 19008580, 20376238, 21797836, 27247295, 29379692, 30235708, 36724615, 37794635, 38017160, 40752476, 43595672, 50940595, 54494590, 58759384, 60471416, 73449230, 75589270, 81504952, 101881190, 108989180, 146898460, 151178540, 168933229, 203762380, 217978360, 234326737, 293796920, 302357080, 315831689, 337866458, 407524760, 468653474, 631663378, 675732916, 844666145, 937306948, 1171633685, 1263326756, 1351465832, 1579158445, 1689332290, 1874613896, 2343267370, 2526653512, 3158316890, 3378664580, 4686534740, 6316633780, 6757329160, 7264128847, 9373069480, 12633267560, 14528257694, 29056515388, 36320644235, 58113030776, 72641288470, 145282576940, 290565153880]

約数ペア:

[(1, 290565153880), (2, 145282576940), (4, 72641288470), (5, 58113030776), (8, 36320644235), (10, 29056515388), (20, 14528257694), (23, 12633267560), (31, 9373069480), (40, 7264128847), (43, 6757329160), (46, 6316633780), (62, 4686534740), (86, 3378664580), (92, 3158316890), (115, 2526653512), (124, 2343267370), (155, 1874613896), (172, 1689332290), (184, 1579158445), (215, 1351465832), (230, 1263326756), (248, 1171633685), (310, 937306948), (344, 844666145), (430, 675732916), (460, 631663378), (620, 468653474), (713, 407524760), (860, 337866458), (920, 315831689), (961, 302357080), (989, 293796920), (1240, 234326737), (1333, 217978360), (1426, 203762380), (1720, 168933229), (1922, 151178540), (1978, 146898460), (2666, 108989180), (2852, 101881190), (3565, 81504952), (3844, 75589270), (3956, 73449230), (4805, 60471416), (4945, 58759384), (5332, 54494590), (5704, 50940595), (6665, 43595672), (7130, 40752476), (7643, 38017160), (7688, 37794635), (7912, 36724615), (9610, 30235708), (9890, 29379692), (10664, 27247295), (13330, 21797836), (14260, 20376238), (15286, 19008580), (19220, 15117854), (19780, 14689846), (22103, 13145960), (26660, 10898918), (28520, 10188119), (30572, 9504290), (30659, 9477320), (38215, 7603432), (38440, 7558927), (39560, 7344923), (41323, 7031560), (44206, 6572980), (53320, 5449459), (61144, 4752145), (61318, 4738660), (76430, 3801716), (82646, 3515780), (88412, 3286490), (110515, 2629192), (122636, 2369330), (152860, 1900858), (153295, 1895464), (165292, 1757890), (175789, 1652920), (176824, 1643245), (206615, 1406312), (221030, 1314596), (236933, 1226360), (245272, 1184665), (305720, 950429), (306590, 947732), (328649, 884120), (330584, 878945), (351578, 826460), (413230, 703156), (442060, 657298), (473866, 613180)]