420194155

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1\times {\mathrm{1993}}^1$

素因数の和:2430

約数の個数: 16

約数和(自身を含む): 509666400

約数和(自身を除く): 89472245

約数列:

[1, 5, 149, 283, 745, 1415, 1993, 9965, 42167, 210835, 296957, 564019, 1484785, 2820095, 84038831, 420194155]

約数ペア:

[(1, 420194155), (5, 84038831), (149, 2820095), (283, 1484785), (745, 564019), (1415, 296957), (1993, 210835), (9965, 42167)]