290480840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{3229}}^1$

素因数の和:3426

約数の個数: 64

約数和(自身を含む): 708145200

約数和(自身を除く): 417664360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 346, 520, 692, 865, 1384, 1730, 2249, 3229, 3460, 4498, 6458, 6920, 8996, 11245, 12916, 16145, 17992, 22490, 25832, 32290, 41977, 44980, 64580, 83954, 89960, 129160, 167908, 209885, 335816, 419770, 558617, 839540, 1117234, 1679080, 2234468, 2793085, 4468936, 5586170, 7262021, 11172340, 14524042, 22344680, 29048084, 36310105, 58096168, 72620210, 145240420, 290480840]

約数ペア:

[(1, 290480840), (2, 145240420), (4, 72620210), (5, 58096168), (8, 36310105), (10, 29048084), (13, 22344680), (20, 14524042), (26, 11172340), (40, 7262021), (52, 5586170), (65, 4468936), (104, 2793085), (130, 2234468), (173, 1679080), (260, 1117234), (346, 839540), (520, 558617), (692, 419770), (865, 335816), (1384, 209885), (1730, 167908), (2249, 129160), (3229, 89960), (3460, 83954), (4498, 64580), (6458, 44980), (6920, 41977), (8996, 32290), (11245, 25832), (12916, 22490), (16145, 17992)]