25253620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 62713224

約数和(自身を除く): 37459604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 353, 365, 490, 511, 706, 730, 980, 1022, 1412, 1460, 1765, 2044, 2471, 2555, 3530, 3577, 4942, 5110, 7060, 7154, 9884, 10220, 12355, 14308, 17297, 17885, 24710, 25769, 34594, 35770, 49420, 51538, 69188, 71540, 86485, 103076, 128845, 172970, 180383, 257690, 345940, 360766, 515380, 721532, 901915, 1262681, 1803830, 2525362, 3607660, 5050724, 6313405, 12626810, 25253620]

約数ペア:

[(1, 25253620), (2, 12626810), (4, 6313405), (5, 5050724), (7, 3607660), (10, 2525362), (14, 1803830), (20, 1262681), (28, 901915), (35, 721532), (49, 515380), (70, 360766), (73, 345940), (98, 257690), (140, 180383), (146, 172970), (196, 128845), (245, 103076), (292, 86485), (353, 71540), (365, 69188), (490, 51538), (511, 49420), (706, 35770), (730, 34594), (980, 25769), (1022, 24710), (1412, 17885), (1460, 17297), (1765, 14308), (2044, 12355), (2471, 10220), (2555, 9884), (3530, 7154), (3577, 7060), (4942, 5110)]