157198660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{27197}}^1$

素因数の和:27240

約数の個数: 36

約数和(自身を含む): 350691012

約数和(自身を除く): 193492352

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 27197, 54394, 108788, 135985, 271970, 462349, 543940, 924698, 1849396, 2311745, 4623490, 7859933, 9246980, 15719866, 31439732, 39299665, 78599330, 157198660]

約数ペア:

[(1, 157198660), (2, 78599330), (4, 39299665), (5, 31439732), (10, 15719866), (17, 9246980), (20, 7859933), (34, 4623490), (68, 2311745), (85, 1849396), (170, 924698), (289, 543940), (340, 462349), (578, 271970), (1156, 135985), (1445, 108788), (2890, 54394), (5780, 27197)]