138445100

素因数分解:

$2^2\times 5^2\times {\mathrm{389}}^1\times {\mathrm{3559}}^1$

素因数の和:3962

約数の個数: 36

約数和(自身を含む): 301282800

約数和(自身を除く): 162837700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389, 778, 1556, 1945, 3559, 3890, 7118, 7780, 9725, 14236, 17795, 19450, 35590, 38900, 71180, 88975, 177950, 355900, 1384451, 2768902, 5537804, 6922255, 13844510, 27689020, 34611275, 69222550, 138445100]

約数ペア:

[(1, 138445100), (2, 69222550), (4, 34611275), (5, 27689020), (10, 13844510), (20, 6922255), (25, 5537804), (50, 2768902), (100, 1384451), (389, 355900), (778, 177950), (1556, 88975), (1945, 71180), (3559, 38900), (3890, 35590), (7118, 19450), (7780, 17795), (9725, 14236)]