680717570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{308017}}^1$

素因数の和:308054

約数の個数: 32

約数和(自身を含む): 1397169648

約数和(自身を除く): 716452078

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 308017, 616034, 1540085, 3080170, 4004221, 5236289, 8008442, 10472578, 20021105, 26181445, 40042210, 52362890, 68071757, 136143514, 340358785, 680717570]

約数ペア:

[(1, 680717570), (2, 340358785), (5, 136143514), (10, 68071757), (13, 52362890), (17, 40042210), (26, 26181445), (34, 20021105), (65, 10472578), (85, 8008442), (130, 5236289), (170, 4004221), (221, 3080170), (442, 1540085), (1105, 616034), (2210, 308017)]