177130120

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{60661}}^1$

素因数の和:60745

約数の個数: 32

約数和(自身を含む): 404008920

約数和(自身を除く): 226878800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 60661, 121322, 242644, 303305, 485288, 606610, 1213220, 2426440, 4428253, 8856506, 17713012, 22141265, 35426024, 44282530, 88565060, 177130120]

約数ペア:

[(1, 177130120), (2, 88565060), (4, 44282530), (5, 35426024), (8, 22141265), (10, 17713012), (20, 8856506), (40, 4428253), (73, 2426440), (146, 1213220), (292, 606610), (365, 485288), (584, 303305), (730, 242644), (1460, 121322), (2920, 60661)]