3628820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 8700048

約数和(自身を除く): 5071228

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 821, 884, 1105, 1642, 2210, 3284, 4105, 4420, 8210, 10673, 13957, 16420, 21346, 27914, 42692, 53365, 55828, 69785, 106730, 139570, 181441, 213460, 279140, 362882, 725764, 907205, 1814410, 3628820]

約数ペア:

[(1, 3628820), (2, 1814410), (4, 907205), (5, 725764), (10, 362882), (13, 279140), (17, 213460), (20, 181441), (26, 139570), (34, 106730), (52, 69785), (65, 55828), (68, 53365), (85, 42692), (130, 27914), (170, 21346), (221, 16420), (260, 13957), (340, 10673), (442, 8210), (821, 4420), (884, 4105), (1105, 3284), (1642, 2210)]