277238910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1109}}^1$

素因数の和:1773

約数の個数: 64

約数和(自身を含む): 718320960

約数和(自身を除く): 441082050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 641, 1109, 1282, 1923, 2218, 3205, 3327, 3846, 5545, 6410, 6654, 8333, 9615, 11090, 14417, 16635, 16666, 19230, 24999, 28834, 33270, 41665, 43251, 49998, 72085, 83330, 86502, 124995, 144170, 216255, 249990, 432510, 710869, 1421738, 2132607, 3554345, 4265214, 7108690, 9241297, 10663035, 18482594, 21326070, 27723891, 46206485, 55447782, 92412970, 138619455, 277238910]

約数ペア:

[(1, 277238910), (2, 138619455), (3, 92412970), (5, 55447782), (6, 46206485), (10, 27723891), (13, 21326070), (15, 18482594), (26, 10663035), (30, 9241297), (39, 7108690), (65, 4265214), (78, 3554345), (130, 2132607), (195, 1421738), (390, 710869), (641, 432510), (1109, 249990), (1282, 216255), (1923, 144170), (2218, 124995), (3205, 86502), (3327, 83330), (3846, 72085), (5545, 49998), (6410, 43251), (6654, 41665), (8333, 33270), (9615, 28834), (11090, 24999), (14417, 19230), (16635, 16666)]