201390640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{228853}}^1$

素因数の和:228877

約数の個数: 40

約数和(自身を含む): 510802128

約数和(自身を除く): 309411488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 228853, 457706, 915412, 1144265, 1830824, 2288530, 2517383, 3661648, 4577060, 5034766, 9154120, 10069532, 12586915, 18308240, 20139064, 25173830, 40278128, 50347660, 100695320, 201390640]

約数ペア:

[(1, 201390640), (2, 100695320), (4, 50347660), (5, 40278128), (8, 25173830), (10, 20139064), (11, 18308240), (16, 12586915), (20, 10069532), (22, 9154120), (40, 5034766), (44, 4577060), (55, 3661648), (80, 2517383), (88, 2288530), (110, 1830824), (176, 1144265), (220, 915412), (440, 457706), (880, 228853)]