990311950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{2503}}^1$

素因数の和:2749

約数の個数: 48

約数和(自身を含む): 1897441056

約数和(自身を除く): 907129106

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 193, 205, 386, 410, 965, 1025, 1930, 2050, 2503, 4825, 5006, 7913, 9650, 12515, 15826, 25030, 39565, 62575, 79130, 102623, 125150, 197825, 205246, 395650, 483079, 513115, 966158, 1026230, 2415395, 2565575, 4830790, 5131150, 12076975, 19806239, 24153950, 39612478, 99031195, 198062390, 495155975, 990311950]

約数ペア:

[(1, 990311950), (2, 495155975), (5, 198062390), (10, 99031195), (25, 39612478), (41, 24153950), (50, 19806239), (82, 12076975), (193, 5131150), (205, 4830790), (386, 2565575), (410, 2415395), (965, 1026230), (1025, 966158), (1930, 513115), (2050, 483079), (2503, 395650), (4825, 205246), (5006, 197825), (7913, 125150), (9650, 102623), (12515, 79130), (15826, 62575), (25030, 39565)]