217248860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{809}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 473558400

約数和(自身を除く): 256309540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 463, 580, 809, 926, 1618, 1852, 2315, 3236, 4045, 4630, 8090, 9260, 13427, 16180, 23461, 26854, 46922, 53708, 67135, 93844, 117305, 134270, 234610, 268540, 374567, 469220, 749134, 1498268, 1872835, 3745670, 7491340, 10862443, 21724886, 43449772, 54312215, 108624430, 217248860]

約数ペア:

[(1, 217248860), (2, 108624430), (4, 54312215), (5, 43449772), (10, 21724886), (20, 10862443), (29, 7491340), (58, 3745670), (116, 1872835), (145, 1498268), (290, 749134), (463, 469220), (580, 374567), (809, 268540), (926, 234610), (1618, 134270), (1852, 117305), (2315, 93844), (3236, 67135), (4045, 53708), (4630, 46922), (8090, 26854), (9260, 23461), (13427, 16180)]