84890290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4099}}^1$

素因数の和:4234

約数の個数: 32

約数和(自身を含む): 162360000

約数和(自身を除く): 77469710

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 4099, 4142, 8198, 10355, 20495, 20710, 40990, 77881, 155762, 389405, 446791, 778810, 893582, 2233955, 4467910, 8489029, 16978058, 42445145, 84890290]

約数ペア:

[(1, 84890290), (2, 42445145), (5, 16978058), (10, 8489029), (19, 4467910), (38, 2233955), (95, 893582), (109, 778810), (190, 446791), (218, 389405), (545, 155762), (1090, 77881), (2071, 40990), (4099, 20710), (4142, 20495), (8198, 10355)]