628900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 1440880

約数和(自身を除く): 811980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 331, 380, 475, 662, 950, 1324, 1655, 1900, 3310, 6289, 6620, 8275, 12578, 16550, 25156, 31445, 33100, 62890, 125780, 157225, 314450, 628900]

約数ペア:

[(1, 628900), (2, 314450), (4, 157225), (5, 125780), (10, 62890), (19, 33100), (20, 31445), (25, 25156), (38, 16550), (50, 12578), (76, 8275), (95, 6620), (100, 6289), (190, 3310), (331, 1900), (380, 1655), (475, 1324), (662, 950)]