81668270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1877}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 155498400

約数和(自身を除く): 73830130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 458, 1145, 1877, 2290, 3754, 4351, 8702, 9385, 18770, 21755, 35663, 43510, 71326, 178315, 356630, 429833, 859666, 2149165, 4298330, 8166827, 16333654, 40834135, 81668270]

約数ペア:

[(1, 81668270), (2, 40834135), (5, 16333654), (10, 8166827), (19, 4298330), (38, 2149165), (95, 859666), (190, 429833), (229, 356630), (458, 178315), (1145, 71326), (1877, 43510), (2290, 35663), (3754, 21755), (4351, 18770), (8702, 9385)]