1641740

素因数分解:

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

素因数の和:158

約数の個数: 48

約数和(自身を含む): 3725568

約数和(自身を除く): 2083828

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 83, 86, 92, 115, 166, 172, 215, 230, 332, 415, 430, 460, 830, 860, 989, 1660, 1909, 1978, 3569, 3818, 3956, 4945, 7138, 7636, 9545, 9890, 14276, 17845, 19090, 19780, 35690, 38180, 71380, 82087, 164174, 328348, 410435, 820870, 1641740]

約数ペア:

[(1, 1641740), (2, 820870), (4, 410435), (5, 328348), (10, 164174), (20, 82087), (23, 71380), (43, 38180), (46, 35690), (83, 19780), (86, 19090), (92, 17845), (115, 14276), (166, 9890), (172, 9545), (215, 7636), (230, 7138), (332, 4945), (415, 3956), (430, 3818), (460, 3569), (830, 1978), (860, 1909), (989, 1660)]