279936820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{12203}}^1$

素因数の和:12280

約数の個数: 48

約数和(自身を含む): 623282688

約数和(自身を除く): 343345868

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 12203, 22940, 24406, 48812, 61015, 122030, 244060, 378293, 451511, 756586, 903022, 1513172, 1806044, 1891465, 2257555, 3782930, 4515110, 7565860, 9030220, 13996841, 27993682, 55987364, 69984205, 139968410, 279936820]

約数ペア:

[(1, 279936820), (2, 139968410), (4, 69984205), (5, 55987364), (10, 27993682), (20, 13996841), (31, 9030220), (37, 7565860), (62, 4515110), (74, 3782930), (124, 2257555), (148, 1891465), (155, 1806044), (185, 1513172), (310, 903022), (370, 756586), (620, 451511), (740, 378293), (1147, 244060), (2294, 122030), (4588, 61015), (5735, 48812), (11470, 24406), (12203, 22940)]