90659830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{709}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 172274400

約数和(自身を除く): 81614570

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 673, 709, 1346, 1418, 3365, 3545, 6730, 7090, 12787, 13471, 25574, 26942, 63935, 67355, 127870, 134710, 477157, 954314, 2385785, 4771570, 9065983, 18131966, 45329915, 90659830]

約数ペア:

[(1, 90659830), (2, 45329915), (5, 18131966), (10, 9065983), (19, 4771570), (38, 2385785), (95, 954314), (190, 477157), (673, 134710), (709, 127870), (1346, 67355), (1418, 63935), (3365, 26942), (3545, 25574), (6730, 13471), (7090, 12787)]