399889730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1738651}}^1$

素因数の和:1738681

約数の個数: 16

約数和(自身を含む): 751097664

約数和(自身を除く): 351207934

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1738651, 3477302, 8693255, 17386510, 39988973, 79977946, 199944865, 399889730]

約数ペア:

[(1, 399889730), (2, 199944865), (5, 79977946), (10, 39988973), (23, 17386510), (46, 8693255), (115, 3477302), (230, 1738651)]