31828220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^2\times {\mathrm{139}}^1$

素因数の和:362

約数の個数: 36

約数和(自身を含む): 67955160

約数和(自身を除く): 36126940

約数列:

[1, 2, 4, 5, 10, 20, 107, 139, 214, 278, 428, 535, 556, 695, 1070, 1390, 2140, 2780, 11449, 14873, 22898, 29746, 45796, 57245, 59492, 74365, 114490, 148730, 228980, 297460, 1591411, 3182822, 6365644, 7957055, 15914110, 31828220]

約数ペア:

[(1, 31828220), (2, 15914110), (4, 7957055), (5, 6365644), (10, 3182822), (20, 1591411), (107, 297460), (139, 228980), (214, 148730), (278, 114490), (428, 74365), (535, 59492), (556, 57245), (695, 45796), (1070, 29746), (1390, 22898), (2140, 14873), (2780, 11449)]