210520180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47629}}^1$

素因数の和:47668

約数の個数: 48

約数和(自身を含む): 504115920

約数和(自身を除く): 293595740

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 47629, 95258, 190516, 238145, 476290, 619177, 809693, 952580, 1238354, 1619386, 2476708, 3095885, 3238772, 4048465, 6191770, 8096930, 10526009, 12383540, 16193860, 21052018, 42104036, 52630045, 105260090, 210520180]

約数ペア:

[(1, 210520180), (2, 105260090), (4, 52630045), (5, 42104036), (10, 21052018), (13, 16193860), (17, 12383540), (20, 10526009), (26, 8096930), (34, 6191770), (52, 4048465), (65, 3238772), (68, 3095885), (85, 2476708), (130, 1619386), (170, 1238354), (221, 952580), (260, 809693), (340, 619177), (442, 476290), (884, 238145), (1105, 190516), (2210, 95258), (4420, 47629)]