442623260

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 945151200

約数和(自身を除く): 502527940

約数列:

[1, 2, 4, 5, 10, 20, 113, 139, 226, 278, 452, 556, 565, 695, 1130, 1390, 1409, 2260, 2780, 2818, 5636, 7045, 14090, 15707, 28180, 31414, 62828, 78535, 157070, 159217, 195851, 314140, 318434, 391702, 636868, 783404, 796085, 979255, 1592170, 1958510, 3184340, 3917020, 22131163, 44262326, 88524652, 110655815, 221311630, 442623260]

約数ペア:

[(1, 442623260), (2, 221311630), (4, 110655815), (5, 88524652), (10, 44262326), (20, 22131163), (113, 3917020), (139, 3184340), (226, 1958510), (278, 1592170), (452, 979255), (556, 796085), (565, 783404), (695, 636868), (1130, 391702), (1390, 318434), (1409, 314140), (2260, 195851), (2780, 159217), (2818, 157070), (5636, 78535), (7045, 62828), (14090, 31414), (15707, 28180)]