290411290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{719}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 569203200

約数和(自身を除く): 278791910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 239, 338, 478, 719, 845, 1195, 1438, 1690, 2390, 3107, 3595, 6214, 7190, 9347, 15535, 18694, 31070, 40391, 46735, 80782, 93470, 121511, 171841, 201955, 243022, 343682, 403910, 607555, 859205, 1215110, 1718410, 2233933, 4467866, 11169665, 22339330, 29041129, 58082258, 145205645, 290411290]

約数ペア:

[(1, 290411290), (2, 145205645), (5, 58082258), (10, 29041129), (13, 22339330), (26, 11169665), (65, 4467866), (130, 2233933), (169, 1718410), (239, 1215110), (338, 859205), (478, 607555), (719, 403910), (845, 343682), (1195, 243022), (1438, 201955), (1690, 171841), (2390, 121511), (3107, 93470), (3595, 80782), (6214, 46735), (7190, 40391), (9347, 31070), (15535, 18694)]