90998180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49999}}^1$

素因数の和:50028

約数の個数: 48

約数和(自身を含む): 235200000

約数和(自身を除く): 144201820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 49999, 99998, 199996, 249995, 349993, 499990, 649987, 699986, 999980, 1299974, 1399972, 1749965, 2599948, 3249935, 3499930, 4549909, 6499870, 6999860, 9099818, 12999740, 18199636, 22749545, 45499090, 90998180]

約数ペア:

[(1, 90998180), (2, 45499090), (4, 22749545), (5, 18199636), (7, 12999740), (10, 9099818), (13, 6999860), (14, 6499870), (20, 4549909), (26, 3499930), (28, 3249935), (35, 2599948), (52, 1749965), (65, 1399972), (70, 1299974), (91, 999980), (130, 699986), (140, 649987), (182, 499990), (260, 349993), (364, 249995), (455, 199996), (910, 99998), (1820, 49999)]