9398020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 20624688

約数和(自身を除く): 11226668

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 146, 157, 164, 205, 292, 314, 365, 410, 628, 730, 785, 820, 1460, 1570, 2993, 3140, 5986, 6437, 11461, 11972, 12874, 14965, 22922, 25748, 29930, 32185, 45844, 57305, 59860, 64370, 114610, 128740, 229220, 469901, 939802, 1879604, 2349505, 4699010, 9398020]

約数ペア:

[(1, 9398020), (2, 4699010), (4, 2349505), (5, 1879604), (10, 939802), (20, 469901), (41, 229220), (73, 128740), (82, 114610), (146, 64370), (157, 59860), (164, 57305), (205, 45844), (292, 32185), (314, 29930), (365, 25748), (410, 22922), (628, 14965), (730, 12874), (785, 11972), (820, 11461), (1460, 6437), (1570, 5986), (2993, 3140)]