90304408

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 181805400

約数和(自身を除く): 91500992

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 281, 289, 556, 562, 578, 1112, 1124, 1156, 2248, 2312, 2363, 4726, 4777, 9452, 9554, 18904, 19108, 38216, 39059, 40171, 78118, 80342, 81209, 156236, 160684, 162418, 312472, 321368, 324836, 649672, 664003, 1328006, 2656012, 5312024, 11288051, 22576102, 45152204, 90304408]

約数ペア:

[(1, 90304408), (2, 45152204), (4, 22576102), (8, 11288051), (17, 5312024), (34, 2656012), (68, 1328006), (136, 664003), (139, 649672), (278, 324836), (281, 321368), (289, 312472), (556, 162418), (562, 160684), (578, 156236), (1112, 81209), (1124, 80342), (1156, 78118), (2248, 40171), (2312, 39059), (2363, 38216), (4726, 19108), (4777, 18904), (9452, 9554)]