490750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 995904

約数和(自身を除く): 505154

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 151, 250, 302, 325, 650, 755, 1510, 1625, 1963, 3250, 3775, 3926, 7550, 9815, 18875, 19630, 37750, 49075, 98150, 245375, 490750]

約数ペア:

[(1, 490750), (2, 245375), (5, 98150), (10, 49075), (13, 37750), (25, 19630), (26, 18875), (50, 9815), (65, 7550), (125, 3926), (130, 3775), (151, 3250), (250, 1963), (302, 1625), (325, 1510), (650, 755)]