1884999740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{67757}}^1$

素因数の和:67886

約数の個数: 48

約数和(自身を含む): 4302904032

約数和(自身を除く): 2417904292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2782, 5564, 6955, 13910, 27820, 67757, 135514, 271028, 338785, 677570, 880841, 1355140, 1761682, 3523364, 4404205, 7249999, 8808410, 14499998, 17616820, 28999996, 36249995, 72499990, 94249987, 144999980, 188499974, 376999948, 471249935, 942499870, 1884999740]

約数ペア:

[(1, 1884999740), (2, 942499870), (4, 471249935), (5, 376999948), (10, 188499974), (13, 144999980), (20, 94249987), (26, 72499990), (52, 36249995), (65, 28999996), (107, 17616820), (130, 14499998), (214, 8808410), (260, 7249999), (428, 4404205), (535, 3523364), (1070, 1761682), (1391, 1355140), (2140, 880841), (2782, 677570), (5564, 338785), (6955, 271028), (13910, 135514), (27820, 67757)]