74103620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 160406400

約数和(自身を除く): 86302780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 199, 215, 398, 430, 433, 796, 860, 866, 995, 1732, 1990, 2165, 3980, 4330, 8557, 8660, 17114, 18619, 34228, 37238, 42785, 74476, 85570, 86167, 93095, 171140, 172334, 186190, 344668, 372380, 430835, 861670, 1723340, 3705181, 7410362, 14820724, 18525905, 37051810, 74103620]

約数ペア:

[(1, 74103620), (2, 37051810), (4, 18525905), (5, 14820724), (10, 7410362), (20, 3705181), (43, 1723340), (86, 861670), (172, 430835), (199, 372380), (215, 344668), (398, 186190), (430, 172334), (433, 171140), (796, 93095), (860, 86167), (866, 85570), (995, 74476), (1732, 42785), (1990, 37238), (2165, 34228), (3980, 18619), (4330, 17114), (8557, 8660)]