121385740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{123863}}^1$

素因数の和:123886

約数の個数: 36

約数和(自身を含む): 296530416

約数和(自身を除く): 175144676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 123863, 247726, 495452, 619315, 867041, 1238630, 1734082, 2477260, 3468164, 4335205, 6069287, 8670410, 12138574, 17340820, 24277148, 30346435, 60692870, 121385740]

約数ペア:

[(1, 121385740), (2, 60692870), (4, 30346435), (5, 24277148), (7, 17340820), (10, 12138574), (14, 8670410), (20, 6069287), (28, 4335205), (35, 3468164), (49, 2477260), (70, 1734082), (98, 1238630), (140, 867041), (196, 619315), (245, 495452), (490, 247726), (980, 123863)]