251211280

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{13477}}^1$

素因数の和:13723

約数の個数: 40

約数和(自身を含む): 586616472

約数和(自身を除く): 335405192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 9320, 13477, 18640, 26954, 53908, 67385, 107816, 134770, 215632, 269540, 539080, 1078160, 3140141, 6280282, 12560564, 15700705, 25121128, 31401410, 50242256, 62802820, 125605640, 251211280]

約数ペア:

[(1, 251211280), (2, 125605640), (4, 62802820), (5, 50242256), (8, 31401410), (10, 25121128), (16, 15700705), (20, 12560564), (40, 6280282), (80, 3140141), (233, 1078160), (466, 539080), (932, 269540), (1165, 215632), (1864, 134770), (2330, 107816), (3728, 67385), (4660, 53908), (9320, 26954), (13477, 18640)]