397392390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191977}}^1$

素因数の和:192013

約数の個数: 48

約数和(自身を含む): 1078148448

約数和(自身を除く): 680756058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 191977, 383954, 575931, 959885, 1151862, 1727793, 1919770, 2879655, 3455586, 4415471, 5759310, 8638965, 8830942, 13246413, 17277930, 22077355, 26492826, 39739239, 44154710, 66232065, 79478478, 132464130, 198696195, 397392390]

約数ペア:

[(1, 397392390), (2, 198696195), (3, 132464130), (5, 79478478), (6, 66232065), (9, 44154710), (10, 39739239), (15, 26492826), (18, 22077355), (23, 17277930), (30, 13246413), (45, 8830942), (46, 8638965), (69, 5759310), (90, 4415471), (115, 3455586), (138, 2879655), (207, 1919770), (230, 1727793), (345, 1151862), (414, 959885), (690, 575931), (1035, 383954), (2070, 191977)]