157415990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{1709}}^1$

素因数の和:1928

約数の個数: 32

約数和(自身を含む): 290070720

約数和(自身を除く): 132654730

約数列:

[1, 2, 5, 10, 61, 122, 151, 302, 305, 610, 755, 1510, 1709, 3418, 8545, 9211, 17090, 18422, 46055, 92110, 104249, 208498, 258059, 516118, 521245, 1042490, 1290295, 2580590, 15741599, 31483198, 78707995, 157415990]

約数ペア:

[(1, 157415990), (2, 78707995), (5, 31483198), (10, 15741599), (61, 2580590), (122, 1290295), (151, 1042490), (302, 521245), (305, 516118), (610, 258059), (755, 208498), (1510, 104249), (1709, 92110), (3418, 46055), (8545, 18422), (9211, 17090)]