212173940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56731}}^1$

素因数の和:56768

約数の個数: 48

約数和(自身を含む): 514672704

約数和(自身を除く): 302498764

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 56731, 113462, 226924, 283655, 567310, 624041, 964427, 1134620, 1248082, 1928854, 2496164, 3120205, 3857708, 4822135, 6240410, 9644270, 10608697, 12480820, 19288540, 21217394, 42434788, 53043485, 106086970, 212173940]

約数ペア:

[(1, 212173940), (2, 106086970), (4, 53043485), (5, 42434788), (10, 21217394), (11, 19288540), (17, 12480820), (20, 10608697), (22, 9644270), (34, 6240410), (44, 4822135), (55, 3857708), (68, 3120205), (85, 2496164), (110, 1928854), (170, 1248082), (187, 1134620), (220, 964427), (340, 624041), (374, 567310), (748, 283655), (935, 226924), (1870, 113462), (3740, 56731)]