420264055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 553996800

約数和(自身を除く): 133732745

約数列:

[1, 5, 17, 31, 85, 155, 349, 457, 527, 1745, 2285, 2635, 5933, 7769, 10819, 14167, 29665, 38845, 54095, 70835, 159493, 183923, 240839, 797465, 919615, 1204195, 2711381, 4944283, 13556905, 24721415, 84052811, 420264055]

約数ペア:

[(1, 420264055), (5, 84052811), (17, 24721415), (31, 13556905), (85, 4944283), (155, 2711381), (349, 1204195), (457, 919615), (527, 797465), (1745, 240839), (2285, 183923), (2635, 159493), (5933, 70835), (7769, 54095), (10819, 38845), (14167, 29665)]