1551340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1583}}^1$

素因数の和:1606

約数の個数: 36

約数和(自身を含む): 3792096

約数和(自身を除く): 2240756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1583, 3166, 6332, 7915, 11081, 15830, 22162, 31660, 44324, 55405, 77567, 110810, 155134, 221620, 310268, 387835, 775670, 1551340]

約数ペア:

[(1, 1551340), (2, 775670), (4, 387835), (5, 310268), (7, 221620), (10, 155134), (14, 110810), (20, 77567), (28, 55405), (35, 44324), (49, 31660), (70, 22162), (98, 15830), (140, 11081), (196, 7915), (245, 6332), (490, 3166), (980, 1583)]