238666340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{25229}}^1$

素因数の和:25292

約数の個数: 48

約数和(自身を含む): 559500480

約数和(自身を除く): 320834140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 25229, 50458, 100916, 126145, 252290, 277519, 504580, 555038, 1084847, 1110076, 1387595, 2169694, 2775190, 4339388, 5424235, 5550380, 10848470, 11933317, 21696940, 23866634, 47733268, 59666585, 119333170, 238666340]

約数ペア:

[(1, 238666340), (2, 119333170), (4, 59666585), (5, 47733268), (10, 23866634), (11, 21696940), (20, 11933317), (22, 10848470), (43, 5550380), (44, 5424235), (55, 4339388), (86, 2775190), (110, 2169694), (172, 1387595), (215, 1110076), (220, 1084847), (430, 555038), (473, 504580), (860, 277519), (946, 252290), (1892, 126145), (2365, 100916), (4730, 50458), (9460, 25229)]