30844970

素因数分解:

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

素因数の和:875

約数の個数: 48

約数和(自身を含む): 63593208

約数和(自身を除く): 32748238

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 442, 578, 821, 1105, 1445, 1642, 2210, 2890, 3757, 4105, 7514, 8210, 10673, 13957, 18785, 21346, 27914, 37570, 53365, 69785, 106730, 139570, 181441, 237269, 362882, 474538, 907205, 1186345, 1814410, 2372690, 3084497, 6168994, 15422485, 30844970]

約数ペア:

[(1, 30844970), (2, 15422485), (5, 6168994), (10, 3084497), (13, 2372690), (17, 1814410), (26, 1186345), (34, 907205), (65, 474538), (85, 362882), (130, 237269), (170, 181441), (221, 139570), (289, 106730), (442, 69785), (578, 53365), (821, 37570), (1105, 27914), (1445, 21346), (1642, 18785), (2210, 13957), (2890, 10673), (3757, 8210), (4105, 7514)]