80756900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{16481}}^1$

素因数の和:16509

約数の個数: 54

約数和(自身を含む): 203865858

約数和(自身を除く): 123108958

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 16481, 32962, 65924, 82405, 115367, 164810, 230734, 329620, 412025, 461468, 576835, 807569, 824050, 1153670, 1615138, 1648100, 2307340, 2884175, 3230276, 4037845, 5768350, 8075690, 11536700, 16151380, 20189225, 40378450, 80756900]

約数ペア:

[(1, 80756900), (2, 40378450), (4, 20189225), (5, 16151380), (7, 11536700), (10, 8075690), (14, 5768350), (20, 4037845), (25, 3230276), (28, 2884175), (35, 2307340), (49, 1648100), (50, 1615138), (70, 1153670), (98, 824050), (100, 807569), (140, 576835), (175, 461468), (196, 412025), (245, 329620), (350, 230734), (490, 164810), (700, 115367), (980, 82405), (1225, 65924), (2450, 32962), (4900, 16481)]