175216820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 375072768

約数和(自身を除く): 199855948

約数列:

[1, 2, 4, 5, 10, 20, 101, 127, 202, 254, 404, 505, 508, 635, 683, 1010, 1270, 1366, 2020, 2540, 2732, 3415, 6830, 12827, 13660, 25654, 51308, 64135, 68983, 86741, 128270, 137966, 173482, 256540, 275932, 344915, 346964, 433705, 689830, 867410, 1379660, 1734820, 8760841, 17521682, 35043364, 43804205, 87608410, 175216820]

約数ペア:

[(1, 175216820), (2, 87608410), (4, 43804205), (5, 35043364), (10, 17521682), (20, 8760841), (101, 1734820), (127, 1379660), (202, 867410), (254, 689830), (404, 433705), (505, 346964), (508, 344915), (635, 275932), (683, 256540), (1010, 173482), (1270, 137966), (1366, 128270), (2020, 86741), (2540, 68983), (2732, 64135), (3415, 51308), (6830, 25654), (12827, 13660)]