245870690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{82231}}^1$

素因数の和:82274

約数の個数: 32

約数和(自身を含む): 497339136

約数和(自身を除く): 251468446

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 82231, 164462, 411155, 822310, 1069003, 1891313, 2138006, 3782626, 5345015, 9456565, 10690030, 18913130, 24587069, 49174138, 122935345, 245870690]

約数ペア:

[(1, 245870690), (2, 122935345), (5, 49174138), (10, 24587069), (13, 18913130), (23, 10690030), (26, 9456565), (46, 5345015), (65, 3782626), (115, 2138006), (130, 1891313), (230, 1069003), (299, 822310), (598, 411155), (1495, 164462), (2990, 82231)]