61208020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 131313168

約数和(自身を除く): 70105148

約数列:

[1, 2, 4, 5, 10, 20, 101, 157, 193, 202, 314, 386, 404, 505, 628, 772, 785, 965, 1010, 1570, 1930, 2020, 3140, 3860, 15857, 19493, 30301, 31714, 38986, 60602, 63428, 77972, 79285, 97465, 121204, 151505, 158570, 194930, 303010, 317140, 389860, 606020, 3060401, 6120802, 12241604, 15302005, 30604010, 61208020]

約数ペア:

[(1, 61208020), (2, 30604010), (4, 15302005), (5, 12241604), (10, 6120802), (20, 3060401), (101, 606020), (157, 389860), (193, 317140), (202, 303010), (314, 194930), (386, 158570), (404, 151505), (505, 121204), (628, 97465), (772, 79285), (785, 77972), (965, 63428), (1010, 60602), (1570, 38986), (1930, 31714), (2020, 30301), (3140, 19493), (3860, 15857)]