208587680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{186239}}^1$

素因数の和:186261

約数の個数: 48

約数和(自身を含む): 563189760

約数和(自身を除く): 354602080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 186239, 372478, 744956, 931195, 1303673, 1489912, 1862390, 2607346, 2979824, 3724780, 5214692, 5959648, 6518365, 7449560, 10429384, 13036730, 14899120, 20858768, 26073460, 29798240, 41717536, 52146920, 104293840, 208587680]

約数ペア:

[(1, 208587680), (2, 104293840), (4, 52146920), (5, 41717536), (7, 29798240), (8, 26073460), (10, 20858768), (14, 14899120), (16, 13036730), (20, 10429384), (28, 7449560), (32, 6518365), (35, 5959648), (40, 5214692), (56, 3724780), (70, 2979824), (80, 2607346), (112, 1862390), (140, 1489912), (160, 1303673), (224, 931195), (280, 744956), (560, 372478), (1120, 186239)]