105147400

素因数分解:

$2^3\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1999}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 245520000

約数和(自身を除く): 140372600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 263, 526, 1052, 1315, 1999, 2104, 2630, 3998, 5260, 6575, 7996, 9995, 10520, 13150, 15992, 19990, 26300, 39980, 49975, 52600, 79960, 99950, 199900, 399800, 525737, 1051474, 2102948, 2628685, 4205896, 5257370, 10514740, 13143425, 21029480, 26286850, 52573700, 105147400]

約数ペア:

[(1, 105147400), (2, 52573700), (4, 26286850), (5, 21029480), (8, 13143425), (10, 10514740), (20, 5257370), (25, 4205896), (40, 2628685), (50, 2102948), (100, 1051474), (200, 525737), (263, 399800), (526, 199900), (1052, 99950), (1315, 79960), (1999, 52600), (2104, 49975), (2630, 39980), (3998, 26300), (5260, 19990), (6575, 15992), (7996, 13150), (9995, 10520)]