131169080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{66923}}^1$

素因数の和:66948

約数の個数: 48

約数和(自身を含む): 343320120

約数和(自身を除く): 212151040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 66923, 133846, 267692, 334615, 468461, 535384, 669230, 936922, 1338460, 1873844, 2342305, 2676920, 3279227, 3747688, 4684610, 6558454, 9369220, 13116908, 16396135, 18738440, 26233816, 32792270, 65584540, 131169080]

約数ペア:

[(1, 131169080), (2, 65584540), (4, 32792270), (5, 26233816), (7, 18738440), (8, 16396135), (10, 13116908), (14, 9369220), (20, 6558454), (28, 4684610), (35, 3747688), (40, 3279227), (49, 2676920), (56, 2342305), (70, 1873844), (98, 1338460), (140, 936922), (196, 669230), (245, 535384), (280, 468461), (392, 334615), (490, 267692), (980, 133846), (1960, 66923)]