774421850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:372

約数の個数: 72

約数和(自身を含む): 1516001184

約数和(自身を除く): 741579334

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 227, 310, 355, 454, 710, 775, 961, 1135, 1550, 1775, 1922, 2201, 2270, 3550, 4402, 4805, 5675, 7037, 9610, 11005, 11350, 14074, 16117, 22010, 24025, 32234, 35185, 48050, 55025, 68231, 70370, 80585, 110050, 136462, 161170, 175925, 218147, 341155, 351850, 402925, 436294, 499627, 682310, 805850, 999254, 1090735, 1705775, 2181470, 2498135, 3411550, 4996270, 5453675, 10907350, 12490675, 15488437, 24981350, 30976874, 77442185, 154884370, 387210925, 774421850]

約数ペア:

[(1, 774421850), (2, 387210925), (5, 154884370), (10, 77442185), (25, 30976874), (31, 24981350), (50, 15488437), (62, 12490675), (71, 10907350), (142, 5453675), (155, 4996270), (227, 3411550), (310, 2498135), (355, 2181470), (454, 1705775), (710, 1090735), (775, 999254), (961, 805850), (1135, 682310), (1550, 499627), (1775, 436294), (1922, 402925), (2201, 351850), (2270, 341155), (3550, 218147), (4402, 175925), (4805, 161170), (5675, 136462), (7037, 110050), (9610, 80585), (11005, 70370), (11350, 68231), (14074, 55025), (16117, 48050), (22010, 35185), (24025, 32234)]