135376220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{138139}}^1$

素因数の和:138162

約数の個数: 36

約数和(自身を含む): 330707160

約数和(自身を除く): 195330940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 138139, 276278, 552556, 690695, 966973, 1381390, 1933946, 2762780, 3867892, 4834865, 6768811, 9669730, 13537622, 19339460, 27075244, 33844055, 67688110, 135376220]

約数ペア:

[(1, 135376220), (2, 67688110), (4, 33844055), (5, 27075244), (7, 19339460), (10, 13537622), (14, 9669730), (20, 6768811), (28, 4834865), (35, 3867892), (49, 2762780), (70, 1933946), (98, 1381390), (140, 966973), (196, 690695), (245, 552556), (490, 276278), (980, 138139)]