201656980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18233}}^1$

素因数の和:18328

約数の個数: 48

約数和(自身を含む): 490129920

約数和(自身を除く): 288472940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 18233, 36466, 72932, 91165, 127631, 182330, 255262, 364660, 510524, 638155, 1276310, 1440407, 2552620, 2880814, 5761628, 7202035, 10082849, 14404070, 20165698, 28808140, 40331396, 50414245, 100828490, 201656980]

約数ペア:

[(1, 201656980), (2, 100828490), (4, 50414245), (5, 40331396), (7, 28808140), (10, 20165698), (14, 14404070), (20, 10082849), (28, 7202035), (35, 5761628), (70, 2880814), (79, 2552620), (140, 1440407), (158, 1276310), (316, 638155), (395, 510524), (553, 364660), (790, 255262), (1106, 182330), (1580, 127631), (2212, 91165), (2765, 72932), (5530, 36466), (11060, 18233)]