461680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 1116000

約数和(自身を除く): 654320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 199, 232, 290, 398, 464, 580, 796, 995, 1160, 1592, 1990, 2320, 3184, 3980, 5771, 7960, 11542, 15920, 23084, 28855, 46168, 57710, 92336, 115420, 230840, 461680]

約数ペア:

[(1, 461680), (2, 230840), (4, 115420), (5, 92336), (8, 57710), (10, 46168), (16, 28855), (20, 23084), (29, 15920), (40, 11542), (58, 7960), (80, 5771), (116, 3980), (145, 3184), (199, 2320), (232, 1990), (290, 1592), (398, 1160), (464, 995), (580, 796)]