29990780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{811}}^1$

素因数の和:906

約数の個数: 36

約数和(自身を含む): 64558872

約数和(自身を除く): 34568092

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 811, 860, 1622, 1849, 3244, 3698, 4055, 7396, 8110, 9245, 16220, 18490, 34873, 36980, 69746, 139492, 174365, 348730, 697460, 1499539, 2999078, 5998156, 7497695, 14995390, 29990780]

約数ペア:

[(1, 29990780), (2, 14995390), (4, 7497695), (5, 5998156), (10, 2999078), (20, 1499539), (43, 697460), (86, 348730), (172, 174365), (215, 139492), (430, 69746), (811, 36980), (860, 34873), (1622, 18490), (1849, 16220), (3244, 9245), (3698, 8110), (4055, 7396)]