224804920

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{6947}}^1$

素因数の和:7767

約数の個数: 32

約数和(自身を含む): 506509200

約数和(自身を除く): 281704280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 6472, 6947, 8090, 13894, 16180, 27788, 32360, 34735, 55576, 69470, 138940, 277880, 5620123, 11240246, 22480492, 28100615, 44960984, 56201230, 112402460, 224804920]

約数ペア:

[(1, 224804920), (2, 112402460), (4, 56201230), (5, 44960984), (8, 28100615), (10, 22480492), (20, 11240246), (40, 5620123), (809, 277880), (1618, 138940), (3236, 69470), (4045, 55576), (6472, 34735), (6947, 32360), (8090, 27788), (13894, 16180)]