277550420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{1693}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 667083648

約数和(自身を除く): 389533228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171, 1693, 2342, 3386, 4684, 5855, 6772, 8197, 8465, 11710, 11851, 16394, 16930, 23420, 23702, 32788, 33860, 40985, 47404, 59255, 81970, 118510, 163940, 237020, 1982503, 3965006, 7930012, 9912515, 13877521, 19825030, 27755042, 39650060, 55510084, 69387605, 138775210, 277550420]

約数ペア:

[(1, 277550420), (2, 138775210), (4, 69387605), (5, 55510084), (7, 39650060), (10, 27755042), (14, 19825030), (20, 13877521), (28, 9912515), (35, 7930012), (70, 3965006), (140, 1982503), (1171, 237020), (1693, 163940), (2342, 118510), (3386, 81970), (4684, 59255), (5855, 47404), (6772, 40985), (8197, 33860), (8465, 32788), (11710, 23702), (11851, 23420), (16394, 16930)]