90215170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1583}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 167650560

約数和(自身を除く): 77435390

約数列:

[1, 2, 5, 10, 41, 82, 139, 205, 278, 410, 695, 1390, 1583, 3166, 5699, 7915, 11398, 15830, 28495, 56990, 64903, 129806, 220037, 324515, 440074, 649030, 1100185, 2200370, 9021517, 18043034, 45107585, 90215170]

約数ペア:

[(1, 90215170), (2, 45107585), (5, 18043034), (10, 9021517), (41, 2200370), (82, 1100185), (139, 649030), (205, 440074), (278, 324515), (410, 220037), (695, 129806), (1390, 64903), (1583, 56990), (3166, 28495), (5699, 15830), (7915, 11398)]