7969940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2131}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 19341504

約数和(自身を除く): 11371564

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, 2131, 3740, 4262, 8524, 10655, 21310, 23441, 36227, 42620, 46882, 72454, 93764, 117205, 144908, 181135, 234410, 362270, 398497, 468820, 724540, 796994, 1593988, 1992485, 3984970, 7969940]

約数ペア:

[(1, 7969940), (2, 3984970), (4, 1992485), (5, 1593988), (10, 796994), (11, 724540), (17, 468820), (20, 398497), (22, 362270), (34, 234410), (44, 181135), (55, 144908), (68, 117205), (85, 93764), (110, 72454), (170, 46882), (187, 42620), (220, 36227), (340, 23441), (374, 21310), (748, 10655), (935, 8524), (1870, 4262), (2131, 3740)]