278959040

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5039}}^1$

素因数の和:5229

約数の個数: 56

約数和(自身を含む): 668243520

約数和(自身を除く): 389284480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 320, 346, 692, 865, 1384, 1730, 2768, 3460, 5039, 5536, 6920, 10078, 11072, 13840, 20156, 25195, 27680, 40312, 50390, 55360, 80624, 100780, 161248, 201560, 322496, 403120, 806240, 871747, 1612480, 1743494, 3486988, 4358735, 6973976, 8717470, 13947952, 17434940, 27895904, 34869880, 55791808, 69739760, 139479520, 278959040]

約数ペア:

[(1, 278959040), (2, 139479520), (4, 69739760), (5, 55791808), (8, 34869880), (10, 27895904), (16, 17434940), (20, 13947952), (32, 8717470), (40, 6973976), (64, 4358735), (80, 3486988), (160, 1743494), (173, 1612480), (320, 871747), (346, 806240), (692, 403120), (865, 322496), (1384, 201560), (1730, 161248), (2768, 100780), (3460, 80624), (5039, 55360), (5536, 50390), (6920, 40312), (10078, 27680), (11072, 25195), (13840, 20156)]