204575150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{641}}^1$

素因数の和:1157

約数の個数: 48

約数和(自身を含む): 411254928

約数和(自身を除く): 206679778

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 491, 641, 650, 982, 1282, 2455, 3205, 4910, 6383, 6410, 8333, 12275, 12766, 16025, 16666, 24550, 31915, 32050, 41665, 63830, 83330, 159575, 208325, 314731, 319150, 416650, 629462, 1573655, 3147310, 4091503, 7868275, 8183006, 15736550, 20457515, 40915030, 102287575, 204575150]

約数ペア:

[(1, 204575150), (2, 102287575), (5, 40915030), (10, 20457515), (13, 15736550), (25, 8183006), (26, 7868275), (50, 4091503), (65, 3147310), (130, 1573655), (325, 629462), (491, 416650), (641, 319150), (650, 314731), (982, 208325), (1282, 159575), (2455, 83330), (3205, 63830), (4910, 41665), (6383, 32050), (6410, 31915), (8333, 24550), (12275, 16666), (12766, 16025)]