1384882020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{55351}}^1$

素因数の和:55505

約数の個数: 72

約数和(自身を含む): 4231106880

約数和(自身を除く): 2846224860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 25020, 55351, 110702, 166053, 221404, 276755, 332106, 498159, 553510, 664212, 830265, 996318, 1107020, 1660530, 1992636, 2490795, 3321060, 4981590, 7693789, 9963180, 15387578, 23081367, 30775156, 38468945, 46162734, 69244101, 76937890, 92325468, 115406835, 138488202, 153875780, 230813670, 276976404, 346220505, 461627340, 692441010, 1384882020]

約数ペア:

[(1, 1384882020), (2, 692441010), (3, 461627340), (4, 346220505), (5, 276976404), (6, 230813670), (9, 153875780), (10, 138488202), (12, 115406835), (15, 92325468), (18, 76937890), (20, 69244101), (30, 46162734), (36, 38468945), (45, 30775156), (60, 23081367), (90, 15387578), (139, 9963180), (180, 7693789), (278, 4981590), (417, 3321060), (556, 2490795), (695, 1992636), (834, 1660530), (1251, 1107020), (1390, 996318), (1668, 830265), (2085, 664212), (2502, 553510), (2780, 498159), (4170, 332106), (5004, 276755), (6255, 221404), (8340, 166053), (12510, 110702), (25020, 55351)]