339911720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 779328000

約数和(自身を除く): 439416280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 263, 316, 395, 409, 526, 632, 790, 818, 1052, 1315, 1580, 1636, 2045, 2104, 2630, 3160, 3272, 4090, 5260, 8180, 10520, 16360, 20777, 32311, 41554, 64622, 83108, 103885, 107567, 129244, 161555, 166216, 207770, 215134, 258488, 323110, 415540, 430268, 537835, 646220, 831080, 860536, 1075670, 1292440, 2151340, 4302680, 8497793, 16995586, 33991172, 42488965, 67982344, 84977930, 169955860, 339911720]

約数ペア:

[(1, 339911720), (2, 169955860), (4, 84977930), (5, 67982344), (8, 42488965), (10, 33991172), (20, 16995586), (40, 8497793), (79, 4302680), (158, 2151340), (263, 1292440), (316, 1075670), (395, 860536), (409, 831080), (526, 646220), (632, 537835), (790, 430268), (818, 415540), (1052, 323110), (1315, 258488), (1580, 215134), (1636, 207770), (2045, 166216), (2104, 161555), (2630, 129244), (3160, 107567), (3272, 103885), (4090, 83108), (5260, 64622), (8180, 41554), (10520, 32311), (16360, 20777)]