2149207940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{227189}}^1$

素因数の和:227252

約数の個数: 48

約数和(自身を含む): 5038165440

約数和(自身を除く): 2888957500

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, 227189, 454378, 908756, 1135945, 2271890, 2499079, 4543780, 4998158, 9769127, 9996316, 12495395, 19538254, 24990790, 39076508, 48845635, 49981580, 97691270, 107460397, 195382540, 214920794, 429841588, 537301985, 1074603970, 2149207940]

約数ペア:

[(1, 2149207940), (2, 1074603970), (4, 537301985), (5, 429841588), (10, 214920794), (11, 195382540), (20, 107460397), (22, 97691270), (43, 49981580), (44, 48845635), (55, 39076508), (86, 24990790), (110, 19538254), (172, 12495395), (215, 9996316), (220, 9769127), (430, 4998158), (473, 4543780), (860, 2499079), (946, 2271890), (1892, 1135945), (2365, 908756), (4730, 454378), (9460, 227189)]