74139290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{769}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 138378240

約数和(自身を除く): 64238950

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 311, 622, 769, 1538, 1555, 3110, 3845, 7690, 9641, 19282, 23839, 47678, 48205, 96410, 119195, 238390, 239159, 478318, 1195795, 2391590, 7413929, 14827858, 37069645, 74139290]

約数ペア:

[(1, 74139290), (2, 37069645), (5, 14827858), (10, 7413929), (31, 2391590), (62, 1195795), (155, 478318), (310, 239159), (311, 238390), (622, 119195), (769, 96410), (1538, 48205), (1555, 47678), (3110, 23839), (3845, 19282), (7690, 9641)]