39859400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 107671680

約数和(自身を除く): 67812280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 140, 142, 175, 200, 280, 284, 350, 355, 401, 497, 568, 700, 710, 802, 994, 1400, 1420, 1604, 1775, 1988, 2005, 2485, 2807, 2840, 3208, 3550, 3976, 4010, 4970, 5614, 7100, 8020, 9940, 10025, 11228, 12425, 14035, 14200, 16040, 19880, 20050, 22456, 24850, 28070, 28471, 40100, 49700, 56140, 56942, 70175, 80200, 99400, 112280, 113884, 140350, 142355, 199297, 227768, 280700, 284710, 398594, 561400, 569420, 711775, 797188, 996485, 1138840, 1423550, 1594376, 1992970, 2847100, 3985940, 4982425, 5694200, 7971880, 9964850, 19929700, 39859400]

約数ペア:

[(1, 39859400), (2, 19929700), (4, 9964850), (5, 7971880), (7, 5694200), (8, 4982425), (10, 3985940), (14, 2847100), (20, 1992970), (25, 1594376), (28, 1423550), (35, 1138840), (40, 996485), (50, 797188), (56, 711775), (70, 569420), (71, 561400), (100, 398594), (140, 284710), (142, 280700), (175, 227768), (200, 199297), (280, 142355), (284, 140350), (350, 113884), (355, 112280), (401, 99400), (497, 80200), (568, 70175), (700, 56942), (710, 56140), (802, 49700), (994, 40100), (1400, 28471), (1420, 28070), (1604, 24850), (1775, 22456), (1988, 20050), (2005, 19880), (2485, 16040), (2807, 14200), (2840, 14035), (3208, 12425), (3550, 11228), (3976, 10025), (4010, 9940), (4970, 8020), (5614, 7100)]