380055820

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{70121}}^1$

素因数の和:70401

約数の個数: 24

約数和(自身を含む): 801073728

約数和(自身を除く): 421017908

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 70121, 140242, 280484, 350605, 701210, 1402420, 19002791, 38005582, 76011164, 95013955, 190027910, 380055820]

約数ペア:

[(1, 380055820), (2, 190027910), (4, 95013955), (5, 76011164), (10, 38005582), (20, 19002791), (271, 1402420), (542, 701210), (1084, 350605), (1355, 280484), (2710, 140242), (5420, 70121)]