90307120

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3677}}^1$

素因数の和:3997

約数の個数: 40

約数和(自身を含む): 210705264

約数和(自身を除く): 120398144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 3677, 4912, 6140, 7354, 12280, 14708, 18385, 24560, 29416, 36770, 58832, 73540, 147080, 294160, 1128839, 2257678, 4515356, 5644195, 9030712, 11288390, 18061424, 22576780, 45153560, 90307120]

約数ペア:

[(1, 90307120), (2, 45153560), (4, 22576780), (5, 18061424), (8, 11288390), (10, 9030712), (16, 5644195), (20, 4515356), (40, 2257678), (80, 1128839), (307, 294160), (614, 147080), (1228, 73540), (1535, 58832), (2456, 36770), (3070, 29416), (3677, 24560), (4912, 18385), (6140, 14708), (7354, 12280)]