289250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:119

約数の個数: 32

約数和(自身を含む): 589680

約数和(自身を除く): 300430

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 89, 125, 130, 178, 250, 325, 445, 650, 890, 1157, 1625, 2225, 2314, 3250, 4450, 5785, 11125, 11570, 22250, 28925, 57850, 144625, 289250]

約数ペア:

[(1, 289250), (2, 144625), (5, 57850), (10, 28925), (13, 22250), (25, 11570), (26, 11125), (50, 5785), (65, 4450), (89, 3250), (125, 2314), (130, 2225), (178, 1625), (250, 1157), (325, 890), (445, 650)]