205389930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1409}}^1$

素因数の和:1575

約数の個数: 64

約数和(自身を含む): 509224320

約数和(自身を除く): 303834390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 113, 129, 215, 226, 258, 339, 430, 565, 645, 678, 1130, 1290, 1409, 1695, 2818, 3390, 4227, 4859, 7045, 8454, 9718, 14090, 14577, 21135, 24295, 29154, 42270, 48590, 60587, 72885, 121174, 145770, 159217, 181761, 302935, 318434, 363522, 477651, 605870, 796085, 908805, 955302, 1592170, 1817610, 2388255, 4776510, 6846331, 13692662, 20538993, 34231655, 41077986, 68463310, 102694965, 205389930]

約数ペア:

[(1, 205389930), (2, 102694965), (3, 68463310), (5, 41077986), (6, 34231655), (10, 20538993), (15, 13692662), (30, 6846331), (43, 4776510), (86, 2388255), (113, 1817610), (129, 1592170), (215, 955302), (226, 908805), (258, 796085), (339, 605870), (430, 477651), (565, 363522), (645, 318434), (678, 302935), (1130, 181761), (1290, 159217), (1409, 145770), (1695, 121174), (2818, 72885), (3390, 60587), (4227, 48590), (4859, 42270), (7045, 29154), (8454, 24295), (9718, 21135), (14090, 14577)]