1237940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 3011904

約数和(自身を除く): 1773964

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 331, 340, 374, 662, 748, 935, 1324, 1655, 1870, 3310, 3641, 3740, 5627, 6620, 7282, 11254, 14564, 18205, 22508, 28135, 36410, 56270, 61897, 72820, 112540, 123794, 247588, 309485, 618970, 1237940]

約数ペア:

[(1, 1237940), (2, 618970), (4, 309485), (5, 247588), (10, 123794), (11, 112540), (17, 72820), (20, 61897), (22, 56270), (34, 36410), (44, 28135), (55, 22508), (68, 18205), (85, 14564), (110, 11254), (170, 7282), (187, 6620), (220, 5627), (331, 3740), (340, 3641), (374, 3310), (662, 1870), (748, 1655), (935, 1324)]