79708990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{947}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 151528320

約数和(自身を除く): 71819330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 443, 886, 947, 1894, 2215, 4430, 4735, 8417, 9470, 16834, 17993, 35986, 42085, 84170, 89965, 179930, 419521, 839042, 2097605, 4195210, 7970899, 15941798, 39854495, 79708990]

約数ペア:

[(1, 79708990), (2, 39854495), (5, 15941798), (10, 7970899), (19, 4195210), (38, 2097605), (95, 839042), (190, 419521), (443, 179930), (886, 89965), (947, 84170), (1894, 42085), (2215, 35986), (4430, 17993), (4735, 16834), (8417, 9470)]