71379940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1409}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 159894000

約数和(自身を除く): 88514060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1409, 1490, 2533, 2818, 2980, 5066, 5636, 7045, 10132, 12665, 14090, 23953, 25330, 28180, 47906, 50660, 95812, 119765, 209941, 239530, 419882, 479060, 839764, 1049705, 2099410, 3568997, 4198820, 7137994, 14275988, 17844985, 35689970, 71379940]

約数ペア:

[(1, 71379940), (2, 35689970), (4, 17844985), (5, 14275988), (10, 7137994), (17, 4198820), (20, 3568997), (34, 2099410), (68, 1049705), (85, 839764), (149, 479060), (170, 419882), (298, 239530), (340, 209941), (596, 119765), (745, 95812), (1409, 50660), (1490, 47906), (2533, 28180), (2818, 25330), (2980, 23953), (5066, 14090), (5636, 12665), (7045, 10132)]