29931590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 59292000

約数和(自身を除く): 29360410

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 169, 178, 199, 338, 398, 445, 845, 890, 995, 1157, 1690, 1990, 2314, 2587, 5174, 5785, 11570, 12935, 15041, 17711, 25870, 30082, 33631, 35422, 67262, 75205, 88555, 150410, 168155, 177110, 230243, 336310, 460486, 1151215, 2302430, 2993159, 5986318, 14965795, 29931590]

約数ペア:

[(1, 29931590), (2, 14965795), (5, 5986318), (10, 2993159), (13, 2302430), (26, 1151215), (65, 460486), (89, 336310), (130, 230243), (169, 177110), (178, 168155), (199, 150410), (338, 88555), (398, 75205), (445, 67262), (845, 35422), (890, 33631), (995, 30082), (1157, 25870), (1690, 17711), (1990, 15041), (2314, 12935), (2587, 11570), (5174, 5785)]