90604780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2851}}^1$

素因数の和:3094

約数の個数: 48

約数和(自身を含む): 218486016

約数和(自身を除く): 127881236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 2851, 3178, 4540, 5702, 6356, 7945, 11404, 14255, 15890, 19957, 28510, 31780, 39914, 57020, 79828, 99785, 199570, 399140, 647177, 1294354, 2588708, 3235885, 4530239, 6471770, 9060478, 12943540, 18120956, 22651195, 45302390, 90604780]

約数ペア:

[(1, 90604780), (2, 45302390), (4, 22651195), (5, 18120956), (7, 12943540), (10, 9060478), (14, 6471770), (20, 4530239), (28, 3235885), (35, 2588708), (70, 1294354), (140, 647177), (227, 399140), (454, 199570), (908, 99785), (1135, 79828), (1589, 57020), (2270, 39914), (2851, 31780), (3178, 28510), (4540, 19957), (5702, 15890), (6356, 14255), (7945, 11404)]