210051990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{54277}}^1$

素因数の和:54333

約数の個数: 48

約数和(自身を含む): 558846288

約数和(自身を除く): 348794298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 54277, 108554, 162831, 271385, 325662, 488493, 542770, 814155, 976986, 1628310, 2333911, 2442465, 4667822, 4884930, 7001733, 11669555, 14003466, 21005199, 23339110, 35008665, 42010398, 70017330, 105025995, 210051990]

約数ペア:

[(1, 210051990), (2, 105025995), (3, 70017330), (5, 42010398), (6, 35008665), (9, 23339110), (10, 21005199), (15, 14003466), (18, 11669555), (30, 7001733), (43, 4884930), (45, 4667822), (86, 2442465), (90, 2333911), (129, 1628310), (215, 976986), (258, 814155), (387, 542770), (430, 488493), (645, 325662), (774, 271385), (1290, 162831), (1935, 108554), (3870, 54277)]