3679940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 8648640

約数和(自身を除く): 4968700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 389, 430, 473, 778, 860, 946, 1556, 1892, 1945, 2365, 3890, 4279, 4730, 7780, 8558, 9460, 16727, 17116, 21395, 33454, 42790, 66908, 83635, 85580, 167270, 183997, 334540, 367994, 735988, 919985, 1839970, 3679940]

約数ペア:

[(1, 3679940), (2, 1839970), (4, 919985), (5, 735988), (10, 367994), (11, 334540), (20, 183997), (22, 167270), (43, 85580), (44, 83635), (55, 66908), (86, 42790), (110, 33454), (172, 21395), (215, 17116), (220, 16727), (389, 9460), (430, 8558), (473, 7780), (778, 4730), (860, 4279), (946, 3890), (1556, 2365), (1892, 1945)]