199465360

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{15881}}^1$

素因数の和:16051

約数の個数: 40

約数和(自身を含む): 466740216

約数和(自身を除く): 267274856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 15881, 31762, 63524, 79405, 127048, 158810, 254096, 317620, 635240, 1270480, 2493317, 4986634, 9973268, 12466585, 19946536, 24933170, 39893072, 49866340, 99732680, 199465360]

約数ペア:

[(1, 199465360), (2, 99732680), (4, 49866340), (5, 39893072), (8, 24933170), (10, 19946536), (16, 12466585), (20, 9973268), (40, 4986634), (80, 2493317), (157, 1270480), (314, 635240), (628, 317620), (785, 254096), (1256, 158810), (1570, 127048), (2512, 79405), (3140, 63524), (6280, 31762), (12560, 15881)]