19310900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{563}}^1$

素因数の和:598

約数の個数: 72

約数和(自身を含む): 48955200

約数和(自身を除く): 29644300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 563, 686, 700, 980, 1126, 1225, 1372, 1715, 2252, 2450, 2815, 3430, 3941, 4900, 5630, 6860, 7882, 8575, 11260, 14075, 15764, 17150, 19705, 27587, 28150, 34300, 39410, 55174, 56300, 78820, 98525, 110348, 137935, 193109, 197050, 275870, 386218, 394100, 551740, 689675, 772436, 965545, 1379350, 1931090, 2758700, 3862180, 4827725, 9655450, 19310900]

約数ペア:

[(1, 19310900), (2, 9655450), (4, 4827725), (5, 3862180), (7, 2758700), (10, 1931090), (14, 1379350), (20, 965545), (25, 772436), (28, 689675), (35, 551740), (49, 394100), (50, 386218), (70, 275870), (98, 197050), (100, 193109), (140, 137935), (175, 110348), (196, 98525), (245, 78820), (343, 56300), (350, 55174), (490, 39410), (563, 34300), (686, 28150), (700, 27587), (980, 19705), (1126, 17150), (1225, 15764), (1372, 14075), (1715, 11260), (2252, 8575), (2450, 7882), (2815, 6860), (3430, 5630), (3941, 4900)]