79877740

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 172166400

約数和(自身を除く): 92288660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 139, 236, 278, 295, 487, 556, 590, 695, 974, 1180, 1390, 1948, 2435, 2780, 4870, 8201, 9740, 16402, 28733, 32804, 41005, 57466, 67693, 82010, 114932, 135386, 143665, 164020, 270772, 287330, 338465, 574660, 676930, 1353860, 3993887, 7987774, 15975548, 19969435, 39938870, 79877740]

約数ペア:

[(1, 79877740), (2, 39938870), (4, 19969435), (5, 15975548), (10, 7987774), (20, 3993887), (59, 1353860), (118, 676930), (139, 574660), (236, 338465), (278, 287330), (295, 270772), (487, 164020), (556, 143665), (590, 135386), (695, 114932), (974, 82010), (1180, 67693), (1390, 57466), (1948, 41005), (2435, 32804), (2780, 28733), (4870, 16402), (8201, 9740)]