140438508

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{238841}}^1$

素因数の和:238862

約数の個数: 36

約数和(自身を含む): 381191832

約数和(自身を除く): 240753324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 238841, 477682, 716523, 955364, 1433046, 1671887, 2866092, 3343774, 5015661, 6687548, 10031322, 11703209, 20062644, 23406418, 35109627, 46812836, 70219254, 140438508]

約数ペア:

[(1, 140438508), (2, 70219254), (3, 46812836), (4, 35109627), (6, 23406418), (7, 20062644), (12, 11703209), (14, 10031322), (21, 6687548), (28, 5015661), (42, 3343774), (49, 2866092), (84, 1671887), (98, 1433046), (147, 955364), (196, 716523), (294, 477682), (588, 238841)]