210935660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3671}}^1$

素因数の和:3723

約数の個数: 72

約数和(自身を含む): 508013856

約数和(自身を除く): 297078196

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2873, 3380, 3671, 4420, 5746, 7342, 11492, 14365, 14684, 18355, 28730, 36710, 47723, 57460, 62407, 73420, 95446, 124814, 190892, 238615, 249628, 312035, 477230, 620399, 624070, 811291, 954460, 1240798, 1248140, 1622582, 2481596, 3101995, 3245164, 4056455, 6203990, 8112910, 10546783, 12407980, 16225820, 21093566, 42187132, 52733915, 105467830, 210935660]

約数ペア:

[(1, 210935660), (2, 105467830), (4, 52733915), (5, 42187132), (10, 21093566), (13, 16225820), (17, 12407980), (20, 10546783), (26, 8112910), (34, 6203990), (52, 4056455), (65, 3245164), (68, 3101995), (85, 2481596), (130, 1622582), (169, 1248140), (170, 1240798), (221, 954460), (260, 811291), (338, 624070), (340, 620399), (442, 477230), (676, 312035), (845, 249628), (884, 238615), (1105, 190892), (1690, 124814), (2210, 95446), (2873, 73420), (3380, 62407), (3671, 57460), (4420, 47723), (5746, 36710), (7342, 28730), (11492, 18355), (14365, 14684)]