22027880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 57127680

約数和(自身を除く): 35099800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 521, 604, 755, 1042, 1057, 1208, 1510, 2084, 2114, 2605, 3020, 3647, 4168, 4228, 5210, 5285, 6040, 7294, 8456, 10420, 10570, 14588, 18235, 20840, 21140, 29176, 36470, 42280, 72940, 78671, 145880, 157342, 314684, 393355, 550697, 629368, 786710, 1101394, 1573420, 2202788, 2753485, 3146840, 4405576, 5506970, 11013940, 22027880]

約数ペア:

[(1, 22027880), (2, 11013940), (4, 5506970), (5, 4405576), (7, 3146840), (8, 2753485), (10, 2202788), (14, 1573420), (20, 1101394), (28, 786710), (35, 629368), (40, 550697), (56, 393355), (70, 314684), (140, 157342), (151, 145880), (280, 78671), (302, 72940), (521, 42280), (604, 36470), (755, 29176), (1042, 21140), (1057, 20840), (1208, 18235), (1510, 14588), (2084, 10570), (2114, 10420), (2605, 8456), (3020, 7294), (3647, 6040), (4168, 5285), (4228, 5210)]