201219640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{218717}}^1$

素因数の和:218751

約数の個数: 32

約数和(自身を含む): 472430880

約数和(自身を除く): 271211240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 218717, 437434, 874868, 1093585, 1749736, 2187170, 4374340, 5030491, 8748680, 10060982, 20121964, 25152455, 40243928, 50304910, 100609820, 201219640]

約数ペア:

[(1, 201219640), (2, 100609820), (4, 50304910), (5, 40243928), (8, 25152455), (10, 20121964), (20, 10060982), (23, 8748680), (40, 5030491), (46, 4374340), (92, 2187170), (115, 1749736), (184, 1093585), (230, 874868), (460, 437434), (920, 218717)]