159700400

素因数分解:

$2^4\times 5^2\times {\mathrm{157}}^1\times {\mathrm{2543}}^1$

素因数の和:2718

約数の個数: 60

約数和(自身を含む): 386275872

約数和(自身を除く): 226575472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 157, 200, 314, 400, 628, 785, 1256, 1570, 2512, 2543, 3140, 3925, 5086, 6280, 7850, 10172, 12560, 12715, 15700, 20344, 25430, 31400, 40688, 50860, 62800, 63575, 101720, 127150, 203440, 254300, 399251, 508600, 798502, 1017200, 1597004, 1996255, 3194008, 3992510, 6388016, 7985020, 9981275, 15970040, 19962550, 31940080, 39925100, 79850200, 159700400]

約数ペア:

[(1, 159700400), (2, 79850200), (4, 39925100), (5, 31940080), (8, 19962550), (10, 15970040), (16, 9981275), (20, 7985020), (25, 6388016), (40, 3992510), (50, 3194008), (80, 1996255), (100, 1597004), (157, 1017200), (200, 798502), (314, 508600), (400, 399251), (628, 254300), (785, 203440), (1256, 127150), (1570, 101720), (2512, 63575), (2543, 62800), (3140, 50860), (3925, 40688), (5086, 31400), (6280, 25430), (7850, 20344), (10172, 15700), (12560, 12715)]