202312420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{641}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 436601088

約数和(自身を除く): 234288668

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 367, 430, 641, 734, 860, 1282, 1468, 1835, 2564, 3205, 3670, 6410, 7340, 12820, 15781, 27563, 31562, 55126, 63124, 78905, 110252, 137815, 157810, 235247, 275630, 315620, 470494, 551260, 940988, 1176235, 2352470, 4704940, 10115621, 20231242, 40462484, 50578105, 101156210, 202312420]

約数ペア:

[(1, 202312420), (2, 101156210), (4, 50578105), (5, 40462484), (10, 20231242), (20, 10115621), (43, 4704940), (86, 2352470), (172, 1176235), (215, 940988), (367, 551260), (430, 470494), (641, 315620), (734, 275630), (860, 235247), (1282, 157810), (1468, 137815), (1835, 110252), (2564, 78905), (3205, 63124), (3670, 55126), (6410, 31562), (7340, 27563), (12820, 15781)]