268688720

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{22541}}^1$

素因数の和:22703

約数の個数: 40

約数和(自身を含む): 628921800

約数和(自身を除く): 360233080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 22541, 45082, 90164, 112705, 180328, 225410, 360656, 450820, 901640, 1803280, 3358609, 6717218, 13434436, 16793045, 26868872, 33586090, 53737744, 67172180, 134344360, 268688720]

約数ペア:

[(1, 268688720), (2, 134344360), (4, 67172180), (5, 53737744), (8, 33586090), (10, 26868872), (16, 16793045), (20, 13434436), (40, 6717218), (80, 3358609), (149, 1803280), (298, 901640), (596, 450820), (745, 360656), (1192, 225410), (1490, 180328), (2384, 112705), (2980, 90164), (5960, 45082), (11920, 22541)]