404996870

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{1427}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 739349856

約数和(自身を除く): 334352986

約数列:

[1, 2, 5, 10, 101, 202, 281, 505, 562, 1010, 1405, 1427, 2810, 2854, 7135, 14270, 28381, 56762, 141905, 144127, 283810, 288254, 400987, 720635, 801974, 1441270, 2004935, 4009870, 40499687, 80999374, 202498435, 404996870]

約数ペア:

[(1, 404996870), (2, 202498435), (5, 80999374), (10, 40499687), (101, 4009870), (202, 2004935), (281, 1441270), (505, 801974), (562, 720635), (1010, 400987), (1405, 288254), (1427, 283810), (2810, 144127), (2854, 141905), (7135, 56762), (14270, 28381)]