131842760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{470867}}^1$

素因数の和:470885

約数の個数: 32

約数和(自身を含む): 339024960

約数和(自身を除く): 207182200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 470867, 941734, 1883468, 2354335, 3296069, 3766936, 4708670, 6592138, 9417340, 13184276, 16480345, 18834680, 26368552, 32960690, 65921380, 131842760]

約数ペア:

[(1, 131842760), (2, 65921380), (4, 32960690), (5, 26368552), (7, 18834680), (8, 16480345), (10, 13184276), (14, 9417340), (20, 6592138), (28, 4708670), (35, 3766936), (40, 3296069), (56, 2354335), (70, 1883468), (140, 941734), (280, 470867)]