87740290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41981}}^1$

素因数の和:42018

約数の個数: 32

約数和(自身を含む): 181362240

約数和(自身を除く): 93621950

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 41981, 83962, 209905, 419810, 461791, 797639, 923582, 1595278, 2308955, 3988195, 4617910, 7976390, 8774029, 17548058, 43870145, 87740290]

約数ペア:

[(1, 87740290), (2, 43870145), (5, 17548058), (10, 8774029), (11, 7976390), (19, 4617910), (22, 3988195), (38, 2308955), (55, 1595278), (95, 923582), (110, 797639), (190, 461791), (209, 419810), (418, 209905), (1045, 83962), (2090, 41981)]