1988750

素因数分解:

$2^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 40

約数和(自身を含む): 3917496

約数和(自身を除く): 1928746

約数列:

[1, 2, 5, 10, 25, 37, 43, 50, 74, 86, 125, 185, 215, 250, 370, 430, 625, 925, 1075, 1250, 1591, 1850, 2150, 3182, 4625, 5375, 7955, 9250, 10750, 15910, 23125, 26875, 39775, 46250, 53750, 79550, 198875, 397750, 994375, 1988750]

約数ペア:

[(1, 1988750), (2, 994375), (5, 397750), (10, 198875), (25, 79550), (37, 53750), (43, 46250), (50, 39775), (74, 26875), (86, 23125), (125, 15910), (185, 10750), (215, 9250), (250, 7955), (370, 5375), (430, 4625), (625, 3182), (925, 2150), (1075, 1850), (1250, 1591)]