138681620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90053}}^1$

素因数の和:90080

約数の個数: 48

約数和(自身を含む): 363097728

約数和(自身を除く): 224416108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 90053, 180106, 360212, 450265, 630371, 900530, 990583, 1260742, 1801060, 1981166, 2521484, 3151855, 3962332, 4952915, 6303710, 6934081, 9905830, 12607420, 13868162, 19811660, 27736324, 34670405, 69340810, 138681620]

約数ペア:

[(1, 138681620), (2, 69340810), (4, 34670405), (5, 27736324), (7, 19811660), (10, 13868162), (11, 12607420), (14, 9905830), (20, 6934081), (22, 6303710), (28, 4952915), (35, 3962332), (44, 3151855), (55, 2521484), (70, 1981166), (77, 1801060), (110, 1260742), (140, 990583), (154, 900530), (220, 630371), (308, 450265), (385, 360212), (770, 180106), (1540, 90053)]