18144100

素因数分解:

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

素因数の和:865

約数の個数: 72

約数和(自身を含む): 44950248

約数和(自身を除く): 26806148

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 821, 850, 884, 1105, 1300, 1642, 1700, 2210, 3284, 4105, 4420, 5525, 8210, 10673, 11050, 13957, 16420, 20525, 21346, 22100, 27914, 41050, 42692, 53365, 55828, 69785, 82100, 106730, 139570, 181441, 213460, 266825, 279140, 348925, 362882, 533650, 697850, 725764, 907205, 1067300, 1395700, 1814410, 3628820, 4536025, 9072050, 18144100]

約数ペア:

[(1, 18144100), (2, 9072050), (4, 4536025), (5, 3628820), (10, 1814410), (13, 1395700), (17, 1067300), (20, 907205), (25, 725764), (26, 697850), (34, 533650), (50, 362882), (52, 348925), (65, 279140), (68, 266825), (85, 213460), (100, 181441), (130, 139570), (170, 106730), (221, 82100), (260, 69785), (325, 55828), (340, 53365), (425, 42692), (442, 41050), (650, 27914), (821, 22100), (850, 21346), (884, 20525), (1105, 16420), (1300, 13957), (1642, 11050), (1700, 10673), (2210, 8210), (3284, 5525), (4105, 4420)]