1525992220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{45121}}^1$

素因数の和:45238

約数の個数: 48

約数和(自身を含む): 3411223200

約数和(自身を除く): 1885230980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 45121, 90242, 180484, 225605, 451210, 857299, 902420, 1714598, 3429196, 4015769, 4286495, 8031538, 8572990, 16063076, 17145980, 20078845, 40157690, 76299611, 80315380, 152599222, 305198444, 381498055, 762996110, 1525992220]

約数ペア:

[(1, 1525992220), (2, 762996110), (4, 381498055), (5, 305198444), (10, 152599222), (19, 80315380), (20, 76299611), (38, 40157690), (76, 20078845), (89, 17145980), (95, 16063076), (178, 8572990), (190, 8031538), (356, 4286495), (380, 4015769), (445, 3429196), (890, 1714598), (1691, 902420), (1780, 857299), (3382, 451210), (6764, 225605), (8455, 180484), (16910, 90242), (33820, 45121)]