38999240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4493}}^1$

素因数の和:4542

約数の個数: 64

約数和(自身を含む): 103541760

約数和(自身を除く): 64542520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 4493, 8680, 8986, 17972, 22465, 31451, 35944, 44930, 62902, 89860, 125804, 139283, 157255, 179720, 251608, 278566, 314510, 557132, 629020, 696415, 974981, 1114264, 1258040, 1392830, 1949962, 2785660, 3899924, 4874905, 5571320, 7799848, 9749810, 19499620, 38999240]

約数ペア:

[(1, 38999240), (2, 19499620), (4, 9749810), (5, 7799848), (7, 5571320), (8, 4874905), (10, 3899924), (14, 2785660), (20, 1949962), (28, 1392830), (31, 1258040), (35, 1114264), (40, 974981), (56, 696415), (62, 629020), (70, 557132), (124, 314510), (140, 278566), (155, 251608), (217, 179720), (248, 157255), (280, 139283), (310, 125804), (434, 89860), (620, 62902), (868, 44930), (1085, 35944), (1240, 31451), (1736, 22465), (2170, 17972), (4340, 8986), (4493, 8680)]