51356900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 108

約数和(自身を含む): 132991488

約数和(自身を除く): 81634588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 49, 50, 70, 94, 98, 100, 140, 175, 188, 196, 223, 235, 245, 329, 350, 446, 470, 490, 658, 700, 892, 940, 980, 1115, 1175, 1225, 1316, 1561, 1645, 2230, 2303, 2350, 2450, 3122, 3290, 4460, 4606, 4700, 4900, 5575, 6244, 6580, 7805, 8225, 9212, 10481, 10927, 11150, 11515, 15610, 16450, 20962, 21854, 22300, 23030, 31220, 32900, 39025, 41924, 43708, 46060, 52405, 54635, 57575, 73367, 78050, 104810, 109270, 115150, 146734, 156100, 209620, 218540, 230300, 262025, 273175, 293468, 366835, 513569, 524050, 546350, 733670, 1027138, 1048100, 1092700, 1467340, 1834175, 2054276, 2567845, 3668350, 5135690, 7336700, 10271380, 12839225, 25678450, 51356900]

約数ペア:

[(1, 51356900), (2, 25678450), (4, 12839225), (5, 10271380), (7, 7336700), (10, 5135690), (14, 3668350), (20, 2567845), (25, 2054276), (28, 1834175), (35, 1467340), (47, 1092700), (49, 1048100), (50, 1027138), (70, 733670), (94, 546350), (98, 524050), (100, 513569), (140, 366835), (175, 293468), (188, 273175), (196, 262025), (223, 230300), (235, 218540), (245, 209620), (329, 156100), (350, 146734), (446, 115150), (470, 109270), (490, 104810), (658, 78050), (700, 73367), (892, 57575), (940, 54635), (980, 52405), (1115, 46060), (1175, 43708), (1225, 41924), (1316, 39025), (1561, 32900), (1645, 31220), (2230, 23030), (2303, 22300), (2350, 21854), (2450, 20962), (3122, 16450), (3290, 15610), (4460, 11515), (4606, 11150), (4700, 10927), (4900, 10481), (5575, 9212), (6244, 8225), (6580, 7805)]