4142200

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 9765000

約数和(自身を除く): 5622800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 149, 200, 278, 298, 556, 596, 695, 745, 1112, 1192, 1390, 1490, 2780, 2980, 3475, 3725, 5560, 5960, 6950, 7450, 13900, 14900, 20711, 27800, 29800, 41422, 82844, 103555, 165688, 207110, 414220, 517775, 828440, 1035550, 2071100, 4142200]

約数ペア:

[(1, 4142200), (2, 2071100), (4, 1035550), (5, 828440), (8, 517775), (10, 414220), (20, 207110), (25, 165688), (40, 103555), (50, 82844), (100, 41422), (139, 29800), (149, 27800), (200, 20711), (278, 14900), (298, 13900), (556, 7450), (596, 6950), (695, 5960), (745, 5560), (1112, 3725), (1192, 3475), (1390, 2980), (1490, 2780)]