28847770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 61055208

約数和(自身を除く): 32207438

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 113, 226, 245, 490, 521, 565, 791, 1042, 1130, 1582, 2605, 3647, 3955, 5210, 5537, 7294, 7910, 11074, 18235, 25529, 27685, 36470, 51058, 55370, 58873, 117746, 127645, 255290, 294365, 412111, 588730, 824222, 2060555, 2884777, 4121110, 5769554, 14423885, 28847770]

約数ペア:

[(1, 28847770), (2, 14423885), (5, 5769554), (7, 4121110), (10, 2884777), (14, 2060555), (35, 824222), (49, 588730), (70, 412111), (98, 294365), (113, 255290), (226, 127645), (245, 117746), (490, 58873), (521, 55370), (565, 51058), (791, 36470), (1042, 27685), (1130, 25529), (1582, 18235), (2605, 11074), (3647, 7910), (3955, 7294), (5210, 5537)]