493142020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{18251}}^1$

素因数の和:18460

約数の個数: 48

約数和(自身を含む): 1189738368

約数和(自身を除く): 696596348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 3860, 5404, 6755, 13510, 18251, 27020, 36502, 73004, 91255, 127757, 182510, 255514, 365020, 511028, 638785, 1277570, 2555140, 3522443, 7044886, 14089772, 17612215, 24657101, 35224430, 49314202, 70448860, 98628404, 123285505, 246571010, 493142020]

約数ペア:

[(1, 493142020), (2, 246571010), (4, 123285505), (5, 98628404), (7, 70448860), (10, 49314202), (14, 35224430), (20, 24657101), (28, 17612215), (35, 14089772), (70, 7044886), (140, 3522443), (193, 2555140), (386, 1277570), (772, 638785), (965, 511028), (1351, 365020), (1930, 255514), (2702, 182510), (3860, 127757), (5404, 91255), (6755, 73004), (13510, 36502), (18251, 27020)]