2838960040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1448449}}^1$

素因数の和:1448474

約数の個数: 48

約数和(自身を含む): 7430548500

約数和(自身を除く): 4591588460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 1448449, 2896898, 5793796, 7242245, 10139143, 11587592, 14484490, 20278286, 28968980, 40556572, 50695715, 57937960, 70974001, 81113144, 101391430, 141948002, 202782860, 283896004, 354870005, 405565720, 567792008, 709740010, 1419480020, 2838960040]

約数ペア:

[(1, 2838960040), (2, 1419480020), (4, 709740010), (5, 567792008), (7, 405565720), (8, 354870005), (10, 283896004), (14, 202782860), (20, 141948002), (28, 101391430), (35, 81113144), (40, 70974001), (49, 57937960), (56, 50695715), (70, 40556572), (98, 28968980), (140, 20278286), (196, 14484490), (245, 11587592), (280, 10139143), (392, 7242245), (490, 5793796), (980, 2896898), (1960, 1448449)]