6808220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 15052800

約数和(自身を除く): 8244580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 139, 155, 158, 278, 310, 316, 395, 556, 620, 695, 790, 1390, 1580, 2449, 2780, 4309, 4898, 8618, 9796, 10981, 12245, 17236, 21545, 21962, 24490, 43090, 43924, 48980, 54905, 86180, 109810, 219620, 340411, 680822, 1361644, 1702055, 3404110, 6808220]

約数ペア:

[(1, 6808220), (2, 3404110), (4, 1702055), (5, 1361644), (10, 680822), (20, 340411), (31, 219620), (62, 109810), (79, 86180), (124, 54905), (139, 48980), (155, 43924), (158, 43090), (278, 24490), (310, 21962), (316, 21545), (395, 17236), (556, 12245), (620, 10981), (695, 9796), (790, 8618), (1390, 4898), (1580, 4309), (2449, 2780)]