395687620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{2687}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 858009600

約数和(自身を除く): 462321980

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 370, 398, 740, 796, 995, 1990, 2687, 3980, 5374, 7363, 10748, 13435, 14726, 26870, 29452, 36815, 53740, 73630, 99419, 147260, 198838, 397676, 497095, 534713, 994190, 1069426, 1988380, 2138852, 2673565, 5347130, 10694260, 19784381, 39568762, 79137524, 98921905, 197843810, 395687620]

約数ペア:

[(1, 395687620), (2, 197843810), (4, 98921905), (5, 79137524), (10, 39568762), (20, 19784381), (37, 10694260), (74, 5347130), (148, 2673565), (185, 2138852), (199, 1988380), (370, 1069426), (398, 994190), (740, 534713), (796, 497095), (995, 397676), (1990, 198838), (2687, 147260), (3980, 99419), (5374, 73630), (7363, 53740), (10748, 36815), (13435, 29452), (14726, 26870)]