419328880

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{78233}}^1$

素因数の和:78313

約数の個数: 40

約数和(自身を含む): 989503632

約数和(自身を除く): 570174752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 78233, 156466, 312932, 391165, 625864, 782330, 1251728, 1564660, 3129320, 5241611, 6258640, 10483222, 20966444, 26208055, 41932888, 52416110, 83865776, 104832220, 209664440, 419328880]

約数ペア:

[(1, 419328880), (2, 209664440), (4, 104832220), (5, 83865776), (8, 52416110), (10, 41932888), (16, 26208055), (20, 20966444), (40, 10483222), (67, 6258640), (80, 5241611), (134, 3129320), (268, 1564660), (335, 1251728), (536, 782330), (670, 625864), (1072, 391165), (1340, 312932), (2680, 156466), (5360, 78233)]