279898190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{195733}}^1$

素因数の和:195764

約数の個数: 32

約数和(自身を含む): 591899616

約数和(自身を除く): 312001426

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 195733, 391466, 978665, 1957330, 2153063, 2544529, 4306126, 5089058, 10765315, 12722645, 21530630, 25445290, 27989819, 55979638, 139949095, 279898190]

約数ペア:

[(1, 279898190), (2, 139949095), (5, 55979638), (10, 27989819), (11, 25445290), (13, 21530630), (22, 12722645), (26, 10765315), (55, 5089058), (65, 4306126), (110, 2544529), (130, 2153063), (143, 1957330), (286, 978665), (715, 391466), (1430, 195733)]