1206787820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{118081}}^1$

素因数の和:118170

約数の個数: 48

約数和(自身を含む): 2935990848

約数和(自身を除く): 1729203028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 118081, 236162, 472324, 590405, 826567, 1180810, 1653134, 2361620, 3306268, 4132835, 8265670, 8619913, 16531340, 17239826, 34479652, 43099565, 60339391, 86199130, 120678782, 172398260, 241357564, 301696955, 603393910, 1206787820]

約数ペア:

[(1, 1206787820), (2, 603393910), (4, 301696955), (5, 241357564), (7, 172398260), (10, 120678782), (14, 86199130), (20, 60339391), (28, 43099565), (35, 34479652), (70, 17239826), (73, 16531340), (140, 8619913), (146, 8265670), (292, 4132835), (365, 3306268), (511, 2361620), (730, 1653134), (1022, 1180810), (1460, 826567), (2044, 590405), (2555, 472324), (5110, 236162), (10220, 118081)]