820870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 1596672

約数和(自身を除く): 775802

約数列:

[1, 2, 5, 10, 23, 43, 46, 83, 86, 115, 166, 215, 230, 415, 430, 830, 989, 1909, 1978, 3569, 3818, 4945, 7138, 9545, 9890, 17845, 19090, 35690, 82087, 164174, 410435, 820870]

約数ペア:

[(1, 820870), (2, 410435), (5, 164174), (10, 82087), (23, 35690), (43, 19090), (46, 17845), (83, 9890), (86, 9545), (115, 7138), (166, 4945), (215, 3818), (230, 3569), (415, 1978), (430, 1909), (830, 989)]