253434460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1721}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 549662400

約数和(自身を除く): 296227940

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 370, 398, 740, 796, 995, 1721, 1990, 3442, 3980, 6884, 7363, 8605, 14726, 17210, 29452, 34420, 36815, 63677, 73630, 127354, 147260, 254708, 318385, 342479, 636770, 684958, 1273540, 1369916, 1712395, 3424790, 6849580, 12671723, 25343446, 50686892, 63358615, 126717230, 253434460]

約数ペア:

[(1, 253434460), (2, 126717230), (4, 63358615), (5, 50686892), (10, 25343446), (20, 12671723), (37, 6849580), (74, 3424790), (148, 1712395), (185, 1369916), (199, 1273540), (370, 684958), (398, 636770), (740, 342479), (796, 318385), (995, 254708), (1721, 147260), (1990, 127354), (3442, 73630), (3980, 63677), (6884, 36815), (7363, 34420), (8605, 29452), (14726, 17210)]