680095540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2000281}}^1$

素因数の和:2000307

約数の個数: 24

約数和(自身を含む): 1512213192

約数和(自身を除く): 832117652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2000281, 4000562, 8001124, 10001405, 20002810, 34004777, 40005620, 68009554, 136019108, 170023885, 340047770, 680095540]

約数ペア:

[(1, 680095540), (2, 340047770), (4, 170023885), (5, 136019108), (10, 68009554), (17, 40005620), (20, 34004777), (34, 20002810), (68, 10001405), (85, 8001124), (170, 4000562), (340, 2000281)]