68404900

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{4357}}^1$

素因数の和:4528

約数の個数: 36

約数和(自身を含む): 149418388

約数和(自身を除く): 81013488

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1570, 3140, 3925, 4357, 7850, 8714, 15700, 17428, 21785, 43570, 87140, 108925, 217850, 435700, 684049, 1368098, 2736196, 3420245, 6840490, 13680980, 17101225, 34202450, 68404900]

約数ペア:

[(1, 68404900), (2, 34202450), (4, 17101225), (5, 13680980), (10, 6840490), (20, 3420245), (25, 2736196), (50, 1368098), (100, 684049), (157, 435700), (314, 217850), (628, 108925), (785, 87140), (1570, 43570), (3140, 21785), (3925, 17428), (4357, 15700), (7850, 8714)]