277999280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{267307}}^1$

素因数の和:267333

約数の個数: 40

約数和(自身を含む): 696070032

約数和(自身を除く): 418070752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 267307, 534614, 1069228, 1336535, 2138456, 2673070, 3474991, 4276912, 5346140, 6949982, 10692280, 13899964, 17374955, 21384560, 27799928, 34749910, 55599856, 69499820, 138999640, 277999280]

約数ペア:

[(1, 277999280), (2, 138999640), (4, 69499820), (5, 55599856), (8, 34749910), (10, 27799928), (13, 21384560), (16, 17374955), (20, 13899964), (26, 10692280), (40, 6949982), (52, 5346140), (65, 4276912), (80, 3474991), (104, 2673070), (130, 2138456), (208, 1336535), (260, 1069228), (520, 534614), (1040, 267307)]