131492020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2633}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 302678208

約数和(自身を除く): 171186188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 454, 908, 1135, 2270, 2497, 2633, 4540, 4994, 5266, 9988, 10532, 12485, 13165, 24970, 26330, 28963, 49940, 52660, 57926, 115852, 144815, 289630, 579260, 597691, 1195382, 2390764, 2988455, 5976910, 6574601, 11953820, 13149202, 26298404, 32873005, 65746010, 131492020]

約数ペア:

[(1, 131492020), (2, 65746010), (4, 32873005), (5, 26298404), (10, 13149202), (11, 11953820), (20, 6574601), (22, 5976910), (44, 2988455), (55, 2390764), (110, 1195382), (220, 597691), (227, 579260), (454, 289630), (908, 144815), (1135, 115852), (2270, 57926), (2497, 52660), (2633, 49940), (4540, 28963), (4994, 26330), (5266, 24970), (9988, 13165), (10532, 12485)]