28937720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103349}}^1$

素因数の和:103367

約数の個数: 32

約数和(自身を含む): 74412000

約数和(自身を除く): 45474280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 103349, 206698, 413396, 516745, 723443, 826792, 1033490, 1446886, 2066980, 2893772, 3617215, 4133960, 5787544, 7234430, 14468860, 28937720]

約数ペア:

[(1, 28937720), (2, 14468860), (4, 7234430), (5, 5787544), (7, 4133960), (8, 3617215), (10, 2893772), (14, 2066980), (20, 1446886), (28, 1033490), (35, 826792), (40, 723443), (56, 516745), (70, 413396), (140, 206698), (280, 103349)]