287942770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{20407}}^1$

素因数の和:20514

約数の個数: 32

約数和(自身を含む): 555424128

約数和(自身を除く): 267481358

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 830, 1411, 2822, 7055, 14110, 20407, 40814, 102035, 204070, 346919, 693838, 1693781, 1734595, 3387562, 3469190, 8468905, 16937810, 28794277, 57588554, 143971385, 287942770]

約数ペア:

[(1, 287942770), (2, 143971385), (5, 57588554), (10, 28794277), (17, 16937810), (34, 8468905), (83, 3469190), (85, 3387562), (166, 1734595), (170, 1693781), (415, 693838), (830, 346919), (1411, 204070), (2822, 102035), (7055, 40814), (14110, 20407)]