157777460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 337139712

約数和(自身を除く): 179362252

約数列:

[1, 2, 4, 5, 10, 20, 103, 191, 206, 382, 401, 412, 515, 764, 802, 955, 1030, 1604, 1910, 2005, 2060, 3820, 4010, 8020, 19673, 39346, 41303, 76591, 78692, 82606, 98365, 153182, 165212, 196730, 206515, 306364, 382955, 393460, 413030, 765910, 826060, 1531820, 7888873, 15777746, 31555492, 39444365, 78888730, 157777460]

約数ペア:

[(1, 157777460), (2, 78888730), (4, 39444365), (5, 31555492), (10, 15777746), (20, 7888873), (103, 1531820), (191, 826060), (206, 765910), (382, 413030), (401, 393460), (412, 382955), (515, 306364), (764, 206515), (802, 196730), (955, 165212), (1030, 153182), (1604, 98365), (1910, 82606), (2005, 78692), (2060, 76591), (3820, 41303), (4010, 39346), (8020, 19673)]