138788980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11903}}^1$

素因数の和:11976

約数の個数: 48

約数和(自身を含む): 323979264

約数和(自身を除く): 185190284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 11903, 23806, 47612, 59515, 119030, 130933, 238060, 261866, 523732, 630859, 654665, 1261718, 1309330, 2523436, 2618660, 3154295, 6308590, 6939449, 12617180, 13878898, 27757796, 34697245, 69394490, 138788980]

約数ペア:

[(1, 138788980), (2, 69394490), (4, 34697245), (5, 27757796), (10, 13878898), (11, 12617180), (20, 6939449), (22, 6308590), (44, 3154295), (53, 2618660), (55, 2523436), (106, 1309330), (110, 1261718), (212, 654665), (220, 630859), (265, 523732), (530, 261866), (583, 238060), (1060, 130933), (1166, 119030), (2332, 59515), (2915, 47612), (5830, 23806), (11660, 11903)]