216923560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1487}}^1$

素因数の和:2026

約数の個数: 64

約数和(自身を含む): 559249920

約数和(自身を除く): 342326360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 1042, 1487, 2084, 2605, 2974, 3647, 4168, 5210, 5948, 7294, 7435, 10409, 10420, 11896, 14588, 14870, 18235, 20818, 20840, 29176, 29740, 36470, 41636, 52045, 59480, 72940, 83272, 104090, 145880, 208180, 416360, 774727, 1549454, 3098908, 3873635, 5423089, 6197816, 7747270, 10846178, 15494540, 21692356, 27115445, 30989080, 43384712, 54230890, 108461780, 216923560]

約数ペア:

[(1, 216923560), (2, 108461780), (4, 54230890), (5, 43384712), (7, 30989080), (8, 27115445), (10, 21692356), (14, 15494540), (20, 10846178), (28, 7747270), (35, 6197816), (40, 5423089), (56, 3873635), (70, 3098908), (140, 1549454), (280, 774727), (521, 416360), (1042, 208180), (1487, 145880), (2084, 104090), (2605, 83272), (2974, 72940), (3647, 59480), (4168, 52045), (5210, 41636), (5948, 36470), (7294, 29740), (7435, 29176), (10409, 20840), (10420, 20818), (11896, 18235), (14588, 14870)]