68491250

素因数分解:

$2^1\times 5^4\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 40

約数和(自身を含む): 129567900

約数和(自身を除く): 61076650

約数列:

[1, 2, 5, 10, 25, 50, 125, 157, 250, 314, 349, 625, 698, 785, 1250, 1570, 1745, 3490, 3925, 7850, 8725, 17450, 19625, 39250, 43625, 54793, 87250, 98125, 109586, 196250, 218125, 273965, 436250, 547930, 1369825, 2739650, 6849125, 13698250, 34245625, 68491250]

約数ペア:

[(1, 68491250), (2, 34245625), (5, 13698250), (10, 6849125), (25, 2739650), (50, 1369825), (125, 547930), (157, 436250), (250, 273965), (314, 218125), (349, 196250), (625, 109586), (698, 98125), (785, 87250), (1250, 54793), (1570, 43625), (1745, 39250), (3490, 19625), (3925, 17450), (7850, 8725)]