201808580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 429937200

約数和(自身を除く): 228128620

約数列:

[1, 2, 4, 5, 10, 20, 149, 241, 281, 298, 482, 562, 596, 745, 964, 1124, 1205, 1405, 1490, 2410, 2810, 2980, 4820, 5620, 35909, 41869, 67721, 71818, 83738, 135442, 143636, 167476, 179545, 209345, 270884, 338605, 359090, 418690, 677210, 718180, 837380, 1354420, 10090429, 20180858, 40361716, 50452145, 100904290, 201808580]

約数ペア:

[(1, 201808580), (2, 100904290), (4, 50452145), (5, 40361716), (10, 20180858), (20, 10090429), (149, 1354420), (241, 837380), (281, 718180), (298, 677210), (482, 418690), (562, 359090), (596, 338605), (745, 270884), (964, 209345), (1124, 179545), (1205, 167476), (1405, 143636), (1490, 135442), (2410, 83738), (2810, 71818), (2980, 67721), (4820, 41869), (5620, 35909)]