521920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{233}}^1$

素因数の和:257

約数の個数: 56

約数和(自身を含む): 1426464

約数和(自身を除く): 904544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 233, 280, 320, 448, 466, 560, 932, 1120, 1165, 1631, 1864, 2240, 2330, 3262, 3728, 4660, 6524, 7456, 8155, 9320, 13048, 14912, 16310, 18640, 26096, 32620, 37280, 52192, 65240, 74560, 104384, 130480, 260960, 521920]

約数ペア:

[(1, 521920), (2, 260960), (4, 130480), (5, 104384), (7, 74560), (8, 65240), (10, 52192), (14, 37280), (16, 32620), (20, 26096), (28, 18640), (32, 16310), (35, 14912), (40, 13048), (56, 9320), (64, 8155), (70, 7456), (80, 6524), (112, 4660), (140, 3728), (160, 3262), (224, 2330), (233, 2240), (280, 1864), (320, 1631), (448, 1165), (466, 1120), (560, 932)]