168996620

素因数分解:

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

素因数の和:50034

約数の個数: 36

約数和(自身を含む): 384300000

約数和(自身を除く): 215303380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 49999, 99998, 199996, 249995, 499990, 649987, 999980, 1299974, 2599948, 3249935, 6499870, 8449831, 12999740, 16899662, 33799324, 42249155, 84498310, 168996620]

約数ペア:

[(1, 168996620), (2, 84498310), (4, 42249155), (5, 33799324), (10, 16899662), (13, 12999740), (20, 8449831), (26, 6499870), (52, 3249935), (65, 2599948), (130, 1299974), (169, 999980), (260, 649987), (338, 499990), (676, 249995), (845, 199996), (1690, 99998), (3380, 49999)]