4239500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 9478560

約数和(自身を除く): 5239060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 139, 244, 250, 278, 305, 500, 556, 610, 695, 1220, 1390, 1525, 2780, 3050, 3475, 6100, 6950, 7625, 8479, 13900, 15250, 16958, 17375, 30500, 33916, 34750, 42395, 69500, 84790, 169580, 211975, 423950, 847900, 1059875, 2119750, 4239500]

約数ペア:

[(1, 4239500), (2, 2119750), (4, 1059875), (5, 847900), (10, 423950), (20, 211975), (25, 169580), (50, 84790), (61, 69500), (100, 42395), (122, 34750), (125, 33916), (139, 30500), (244, 17375), (250, 16958), (278, 15250), (305, 13900), (500, 8479), (556, 7625), (610, 6950), (695, 6100), (1220, 3475), (1390, 3050), (1525, 2780)]