68906800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{5557}}^1$

素因数の和:5606

約数の個数: 60

約数和(自身を含む): 170919616

約数和(自身を除く): 102012816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 5557, 6200, 11114, 12400, 22228, 27785, 44456, 55570, 88912, 111140, 138925, 172267, 222280, 277850, 344534, 444560, 555700, 689068, 861335, 1111400, 1378136, 1722670, 2222800, 2756272, 3445340, 4306675, 6890680, 8613350, 13781360, 17226700, 34453400, 68906800]

約数ペア:

[(1, 68906800), (2, 34453400), (4, 17226700), (5, 13781360), (8, 8613350), (10, 6890680), (16, 4306675), (20, 3445340), (25, 2756272), (31, 2222800), (40, 1722670), (50, 1378136), (62, 1111400), (80, 861335), (100, 689068), (124, 555700), (155, 444560), (200, 344534), (248, 277850), (310, 222280), (400, 172267), (496, 138925), (620, 111140), (775, 88912), (1240, 55570), (1550, 44456), (2480, 27785), (3100, 22228), (5557, 12400), (6200, 11114)]