193909380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{461689}}^1$

素因数の和:461708

約数の個数: 48

約数和(自身を含む): 620511360

約数和(自身を除く): 426601980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 461689, 923378, 1385067, 1846756, 2308445, 2770134, 3231823, 4616890, 5540268, 6463646, 6925335, 9233780, 9695469, 12927292, 13850670, 16159115, 19390938, 27701340, 32318230, 38781876, 48477345, 64636460, 96954690, 193909380]

約数ペア:

[(1, 193909380), (2, 96954690), (3, 64636460), (4, 48477345), (5, 38781876), (6, 32318230), (7, 27701340), (10, 19390938), (12, 16159115), (14, 13850670), (15, 12927292), (20, 9695469), (21, 9233780), (28, 6925335), (30, 6463646), (35, 5540268), (42, 4616890), (60, 3231823), (70, 2770134), (84, 2308445), (105, 1846756), (140, 1385067), (210, 923378), (420, 461689)]