220115478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 492687360

約数和(自身を除く): 272571882

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 107, 142, 213, 214, 321, 426, 439, 642, 781, 878, 1177, 1317, 1562, 2343, 2354, 2634, 3531, 4686, 4829, 7062, 7597, 9658, 14487, 15194, 22791, 28974, 31169, 45582, 46973, 62338, 83567, 93507, 93946, 140919, 167134, 187014, 250701, 281838, 342859, 501402, 516703, 685718, 1028577, 1033406, 1550109, 2057154, 3100218, 3335083, 6670166, 10005249, 20010498, 36685913, 73371826, 110057739, 220115478]

約数ペア:

[(1, 220115478), (2, 110057739), (3, 73371826), (6, 36685913), (11, 20010498), (22, 10005249), (33, 6670166), (66, 3335083), (71, 3100218), (107, 2057154), (142, 1550109), (213, 1033406), (214, 1028577), (321, 685718), (426, 516703), (439, 501402), (642, 342859), (781, 281838), (878, 250701), (1177, 187014), (1317, 167134), (1562, 140919), (2343, 93946), (2354, 93507), (2634, 83567), (3531, 62338), (4686, 46973), (4829, 45582), (7062, 31169), (7597, 28974), (9658, 22791), (14487, 15194)]