311907830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1545

約数の個数: 64

約数和(自身を含む): 639999360

約数和(自身を除く): 328091530

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 73, 115, 130, 146, 230, 299, 365, 598, 730, 949, 1429, 1495, 1679, 1898, 2858, 2990, 3358, 4745, 7145, 8395, 9490, 14290, 16790, 18577, 21827, 32867, 37154, 43654, 65734, 92885, 104317, 109135, 164335, 185770, 208634, 218270, 328670, 427271, 521585, 854542, 1043170, 1356121, 2136355, 2399291, 2712242, 4272710, 4798582, 6780605, 11996455, 13561210, 23992910, 31190783, 62381566, 155953915, 311907830]

約数ペア:

[(1, 311907830), (2, 155953915), (5, 62381566), (10, 31190783), (13, 23992910), (23, 13561210), (26, 11996455), (46, 6780605), (65, 4798582), (73, 4272710), (115, 2712242), (130, 2399291), (146, 2136355), (230, 1356121), (299, 1043170), (365, 854542), (598, 521585), (730, 427271), (949, 328670), (1429, 218270), (1495, 208634), (1679, 185770), (1898, 164335), (2858, 109135), (2990, 104317), (3358, 92885), (4745, 65734), (7145, 43654), (8395, 37154), (9490, 32867), (14290, 21827), (16790, 18577)]