42724780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3863}}^1$

素因数の和:3958

約数の個数: 48

約数和(自身を含む): 103864320

約数和(自身を除く): 61139540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 3863, 5530, 7726, 11060, 15452, 19315, 27041, 38630, 54082, 77260, 108164, 135205, 270410, 305177, 540820, 610354, 1220708, 1525885, 2136239, 3051770, 4272478, 6103540, 8544956, 10681195, 21362390, 42724780]

約数ペア:

[(1, 42724780), (2, 21362390), (4, 10681195), (5, 8544956), (7, 6103540), (10, 4272478), (14, 3051770), (20, 2136239), (28, 1525885), (35, 1220708), (70, 610354), (79, 540820), (140, 305177), (158, 270410), (316, 135205), (395, 108164), (553, 77260), (790, 54082), (1106, 38630), (1580, 27041), (2212, 19315), (2765, 15452), (3863, 11060), (5530, 7726)]