531681260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19973}}^1$

素因数の和:20015

約数の個数: 48

約数和(自身を含む): 1228161312

約数和(自身を除く): 696480052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1331, 2420, 2662, 5324, 6655, 13310, 19973, 26620, 39946, 79892, 99865, 199730, 219703, 399460, 439406, 878812, 1098515, 2197030, 2416733, 4394060, 4833466, 9666932, 12083665, 24167330, 26584063, 48334660, 53168126, 106336252, 132920315, 265840630, 531681260]

約数ペア:

[(1, 531681260), (2, 265840630), (4, 132920315), (5, 106336252), (10, 53168126), (11, 48334660), (20, 26584063), (22, 24167330), (44, 12083665), (55, 9666932), (110, 4833466), (121, 4394060), (220, 2416733), (242, 2197030), (484, 1098515), (605, 878812), (1210, 439406), (1331, 399460), (2420, 219703), (2662, 199730), (5324, 99865), (6655, 79892), (13310, 39946), (19973, 26620)]