74410640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 179655168

約数和(自身を除く): 105244528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 97, 172, 194, 215, 223, 344, 388, 430, 446, 485, 688, 776, 860, 892, 970, 1115, 1552, 1720, 1784, 1940, 2230, 3440, 3568, 3880, 4171, 4460, 7760, 8342, 8920, 9589, 16684, 17840, 19178, 20855, 21631, 33368, 38356, 41710, 43262, 47945, 66736, 76712, 83420, 86524, 95890, 108155, 153424, 166840, 173048, 191780, 216310, 333680, 346096, 383560, 432620, 767120, 865240, 930133, 1730480, 1860266, 3720532, 4650665, 7441064, 9301330, 14882128, 18602660, 37205320, 74410640]

約数ペア:

[(1, 74410640), (2, 37205320), (4, 18602660), (5, 14882128), (8, 9301330), (10, 7441064), (16, 4650665), (20, 3720532), (40, 1860266), (43, 1730480), (80, 930133), (86, 865240), (97, 767120), (172, 432620), (194, 383560), (215, 346096), (223, 333680), (344, 216310), (388, 191780), (430, 173048), (446, 166840), (485, 153424), (688, 108155), (776, 95890), (860, 86524), (892, 83420), (970, 76712), (1115, 66736), (1552, 47945), (1720, 43262), (1784, 41710), (1940, 38356), (2230, 33368), (3440, 21631), (3568, 20855), (3880, 19178), (4171, 17840), (4460, 16684), (7760, 9589), (8342, 8920)]