320809975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{1483}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 422316720

約数和(自身を除く): 101506745

約数列:

[1, 5, 17, 25, 85, 425, 509, 1483, 2545, 7415, 8653, 12725, 25211, 37075, 43265, 126055, 216325, 630275, 754847, 3774235, 12832399, 18871175, 64161995, 320809975]

約数ペア:

[(1, 320809975), (5, 64161995), (17, 18871175), (25, 12832399), (85, 3774235), (425, 754847), (509, 630275), (1483, 216325), (2545, 126055), (7415, 43265), (8653, 37075), (12725, 25211)]