64925470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 129576960

約数和(自身を除く): 64651490

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 73, 95, 146, 151, 155, 190, 302, 310, 365, 589, 730, 755, 1178, 1387, 1510, 2263, 2774, 2869, 2945, 4526, 4681, 5738, 5890, 6935, 9362, 11023, 11315, 13870, 14345, 22046, 22630, 23405, 28690, 42997, 46810, 55115, 85994, 88939, 110230, 177878, 209437, 214985, 341713, 418874, 429970, 444695, 683426, 889390, 1047185, 1708565, 2094370, 3417130, 6492547, 12985094, 32462735, 64925470]

約数ペア:

[(1, 64925470), (2, 32462735), (5, 12985094), (10, 6492547), (19, 3417130), (31, 2094370), (38, 1708565), (62, 1047185), (73, 889390), (95, 683426), (146, 444695), (151, 429970), (155, 418874), (190, 341713), (302, 214985), (310, 209437), (365, 177878), (589, 110230), (730, 88939), (755, 85994), (1178, 55115), (1387, 46810), (1510, 42997), (2263, 28690), (2774, 23405), (2869, 22630), (2945, 22046), (4526, 14345), (4681, 13870), (5738, 11315), (5890, 11023), (6935, 9362)]