2198950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 4687200

約数和(自身を除く): 2488250

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 199, 221, 325, 398, 425, 442, 650, 850, 995, 1105, 1990, 2210, 2587, 3383, 4975, 5174, 5525, 6766, 9950, 11050, 12935, 16915, 25870, 33830, 43979, 64675, 84575, 87958, 129350, 169150, 219895, 439790, 1099475, 2198950]

約数ペア:

[(1, 2198950), (2, 1099475), (5, 439790), (10, 219895), (13, 169150), (17, 129350), (25, 87958), (26, 84575), (34, 64675), (50, 43979), (65, 33830), (85, 25870), (130, 16915), (170, 12935), (199, 11050), (221, 9950), (325, 6766), (398, 5525), (425, 5174), (442, 4975), (650, 3383), (850, 2587), (995, 2210), (1105, 1990)]