20176958800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2129}}^1$

素因数の和:2238

約数の個数: 240

約数和(自身を含む): 54038952000

約数和(自身を除く): 33861993200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 38, 40, 43, 50, 58, 76, 80, 86, 95, 100, 116, 145, 152, 172, 190, 200, 215, 232, 290, 304, 344, 380, 400, 430, 464, 475, 551, 580, 688, 725, 760, 817, 860, 950, 1075, 1102, 1160, 1247, 1450, 1520, 1634, 1720, 1900, 2129, 2150, 2204, 2320, 2494, 2755, 2900, 3268, 3440, 3800, 4085, 4258, 4300, 4408, 4988, 5510, 5800, 6235, 6536, 7600, 8170, 8516, 8600, 8816, 9976, 10645, 11020, 11600, 12470, 13072, 13775, 16340, 17032, 17200, 19952, 20425, 21290, 22040, 23693, 24940, 27550, 31175, 32680, 34064, 40451, 40850, 42580, 44080, 47386, 49880, 53225, 55100, 61741, 62350, 65360, 80902, 81700, 85160, 91547, 94772, 99760, 106450, 110200, 118465, 123482, 124700, 161804, 163400, 170320, 183094, 189544, 202255, 212900, 220400, 236930, 246964, 249400, 308705, 323608, 326800, 366188, 379088, 404510, 425800, 457735, 473860, 493928, 498800, 592325, 617410, 647216, 732376, 809020, 851600, 915470, 947720, 987856, 1011275, 1173079, 1184650, 1234820, 1464752, 1543525, 1618040, 1739393, 1830940, 1895440, 2022550, 2288675, 2346158, 2369300, 2469640, 2654863, 3087050, 3236080, 3478786, 3661880, 4045100, 4577350, 4692316, 4738600, 4939280, 5309726, 5865395, 6174100, 6957572, 7323760, 8090200, 8696965, 9154700, 9384632, 9477200, 10619452, 11730790, 12348200, 13274315, 13915144, 16180400, 17393930, 18309400, 18769264, 21238904, 23461580, 24696400, 26548630, 27830288, 29326975, 34787860, 36618800, 42477808, 43484825, 46923160, 50442397, 53097260, 58653950, 66371575, 69575720, 86969650, 93846320, 100884794, 106194520, 117307900, 132743150, 139151440, 173939300, 201769588, 212389040, 234615800, 252211985, 265486300, 347878600, 403539176, 469231600, 504423970, 530972600, 695757200, 807078352, 1008847940, 1061945200, 1261059925, 2017695880, 2522119850, 4035391760, 5044239700, 10088479400, 20176958800]

約数ペア:

[(1, 20176958800), (2, 10088479400), (4, 5044239700), (5, 4035391760), (8, 2522119850), (10, 2017695880), (16, 1261059925), (19, 1061945200), (20, 1008847940), (25, 807078352), (29, 695757200), (38, 530972600), (40, 504423970), (43, 469231600), (50, 403539176), (58, 347878600), (76, 265486300), (80, 252211985), (86, 234615800), (95, 212389040), (100, 201769588), (116, 173939300), (145, 139151440), (152, 132743150), (172, 117307900), (190, 106194520), (200, 100884794), (215, 93846320), (232, 86969650), (290, 69575720), (304, 66371575), (344, 58653950), (380, 53097260), (400, 50442397), (430, 46923160), (464, 43484825), (475, 42477808), (551, 36618800), (580, 34787860), (688, 29326975), (725, 27830288), (760, 26548630), (817, 24696400), (860, 23461580), (950, 21238904), (1075, 18769264), (1102, 18309400), (1160, 17393930), (1247, 16180400), (1450, 13915144), (1520, 13274315), (1634, 12348200), (1720, 11730790), (1900, 10619452), (2129, 9477200), (2150, 9384632), (2204, 9154700), (2320, 8696965), (2494, 8090200), (2755, 7323760), (2900, 6957572), (3268, 6174100), (3440, 5865395), (3800, 5309726), (4085, 4939280), (4258, 4738600), (4300, 4692316), (4408, 4577350), (4988, 4045100), (5510, 3661880), (5800, 3478786), (6235, 3236080), (6536, 3087050), (7600, 2654863), (8170, 2469640), (8516, 2369300), (8600, 2346158), (8816, 2288675), (9976, 2022550), (10645, 1895440), (11020, 1830940), (11600, 1739393), (12470, 1618040), (13072, 1543525), (13775, 1464752), (16340, 1234820), (17032, 1184650), (17200, 1173079), (19952, 1011275), (20425, 987856), (21290, 947720), (22040, 915470), (23693, 851600), (24940, 809020), (27550, 732376), (31175, 647216), (32680, 617410), (34064, 592325), (40451, 498800), (40850, 493928), (42580, 473860), (44080, 457735), (47386, 425800), (49880, 404510), (53225, 379088), (55100, 366188), (61741, 326800), (62350, 323608), (65360, 308705), (80902, 249400), (81700, 246964), (85160, 236930), (91547, 220400), (94772, 212900), (99760, 202255), (106450, 189544), (110200, 183094), (118465, 170320), (123482, 163400), (124700, 161804)]