197689380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{470689}}^1$

素因数の和:470708

約数の個数: 48

約数和(自身を含む): 632607360

約数和(自身を除く): 434917980

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, 470689, 941378, 1412067, 1882756, 2353445, 2824134, 3294823, 4706890, 5648268, 6589646, 7060335, 9413780, 9884469, 13179292, 14120670, 16474115, 19768938, 28241340, 32948230, 39537876, 49422345, 65896460, 98844690, 197689380]

約数ペア:

[(1, 197689380), (2, 98844690), (3, 65896460), (4, 49422345), (5, 39537876), (6, 32948230), (7, 28241340), (10, 19768938), (12, 16474115), (14, 14120670), (15, 13179292), (20, 9884469), (21, 9413780), (28, 7060335), (30, 6589646), (35, 5648268), (42, 4706890), (60, 3294823), (70, 2824134), (84, 2353445), (105, 1882756), (140, 1412067), (210, 941378), (420, 470689)]