19518800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{6971}}^1$

素因数の和:6996

約数の個数: 60

約数和(自身を含む): 53600736

約数和(自身を除く): 34081936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 6971, 13942, 27884, 34855, 48797, 55768, 69710, 97594, 111536, 139420, 174275, 195188, 243985, 278840, 348550, 390376, 487970, 557680, 697100, 780752, 975940, 1219925, 1394200, 1951880, 2439850, 2788400, 3903760, 4879700, 9759400, 19518800]

約数ペア:

[(1, 19518800), (2, 9759400), (4, 4879700), (5, 3903760), (7, 2788400), (8, 2439850), (10, 1951880), (14, 1394200), (16, 1219925), (20, 975940), (25, 780752), (28, 697100), (35, 557680), (40, 487970), (50, 390376), (56, 348550), (70, 278840), (80, 243985), (100, 195188), (112, 174275), (140, 139420), (175, 111536), (200, 97594), (280, 69710), (350, 55768), (400, 48797), (560, 34855), (700, 27884), (1400, 13942), (2800, 6971)]