129621260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{381239}}^1$

素因数の和:381265

約数の個数: 24

約数和(自身を含む): 288217440

約数和(自身を除く): 158596180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 381239, 762478, 1524956, 1906195, 3812390, 6481063, 7624780, 12962126, 25924252, 32405315, 64810630, 129621260]

約数ペア:

[(1, 129621260), (2, 64810630), (4, 32405315), (5, 25924252), (10, 12962126), (17, 7624780), (20, 6481063), (34, 3812390), (68, 1906195), (85, 1524956), (170, 762478), (340, 381239)]