286215580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{1489}}^1$

素因数の和:2878

約数の個数: 48

約数和(自身を含む): 687879360

約数和(自身を除く): 401663780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1373, 1489, 2746, 2978, 5492, 5956, 6865, 7445, 9611, 10423, 13730, 14890, 19222, 20846, 27460, 29780, 38444, 41692, 48055, 52115, 96110, 104230, 192220, 208460, 2044397, 4088794, 8177588, 10221985, 14310779, 20443970, 28621558, 40887940, 57243116, 71553895, 143107790, 286215580]

約数ペア:

[(1, 286215580), (2, 143107790), (4, 71553895), (5, 57243116), (7, 40887940), (10, 28621558), (14, 20443970), (20, 14310779), (28, 10221985), (35, 8177588), (70, 4088794), (140, 2044397), (1373, 208460), (1489, 192220), (2746, 104230), (2978, 96110), (5492, 52115), (5956, 48055), (6865, 41692), (7445, 38444), (9611, 29780), (10423, 27460), (13730, 20846), (14890, 19222)]