830028640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{105871}}^1$

素因数の和:105900

約数の個数: 72

約数和(自身を含む): 2281118112

約数和(自身を除く): 1451089472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 105871, 211742, 423484, 529355, 741097, 846968, 1058710, 1482194, 1693936, 2117420, 2964388, 3387872, 3705485, 4234840, 5187679, 5928776, 7410970, 8469680, 10375358, 11857552, 14821940, 16939360, 20750716, 23715104, 25938395, 29643880, 41501432, 51876790, 59287760, 83002864, 103753580, 118575520, 166005728, 207507160, 415014320, 830028640]

約数ペア:

[(1, 830028640), (2, 415014320), (4, 207507160), (5, 166005728), (7, 118575520), (8, 103753580), (10, 83002864), (14, 59287760), (16, 51876790), (20, 41501432), (28, 29643880), (32, 25938395), (35, 23715104), (40, 20750716), (49, 16939360), (56, 14821940), (70, 11857552), (80, 10375358), (98, 8469680), (112, 7410970), (140, 5928776), (160, 5187679), (196, 4234840), (224, 3705485), (245, 3387872), (280, 2964388), (392, 2117420), (490, 1693936), (560, 1482194), (784, 1058710), (980, 846968), (1120, 741097), (1568, 529355), (1960, 423484), (3920, 211742), (7840, 105871)]