129389960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8719}}^1$

素因数の和:8790

約数の個数: 64

約数和(自身を含む): 339033600

約数和(自身を除く): 209643640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 8719, 14840, 17438, 34876, 43595, 61033, 69752, 87190, 122066, 174380, 244132, 305165, 348760, 462107, 488264, 610330, 924214, 1220660, 1848428, 2310535, 2441320, 3234749, 3696856, 4621070, 6469498, 9242140, 12938996, 16173745, 18484280, 25877992, 32347490, 64694980, 129389960]

約数ペア:

[(1, 129389960), (2, 64694980), (4, 32347490), (5, 25877992), (7, 18484280), (8, 16173745), (10, 12938996), (14, 9242140), (20, 6469498), (28, 4621070), (35, 3696856), (40, 3234749), (53, 2441320), (56, 2310535), (70, 1848428), (106, 1220660), (140, 924214), (212, 610330), (265, 488264), (280, 462107), (371, 348760), (424, 305165), (530, 244132), (742, 174380), (1060, 122066), (1484, 87190), (1855, 69752), (2120, 61033), (2968, 43595), (3710, 34876), (7420, 17438), (8719, 14840)]