204597860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{967}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 439084800

約数和(自身を除く): 234486940

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 149, 284, 298, 355, 596, 710, 745, 967, 1420, 1490, 1934, 2980, 3868, 4835, 9670, 10579, 19340, 21158, 42316, 52895, 68657, 105790, 137314, 144083, 211580, 274628, 288166, 343285, 576332, 686570, 720415, 1373140, 1440830, 2881660, 10229893, 20459786, 40919572, 51149465, 102298930, 204597860]

約数ペア:

[(1, 204597860), (2, 102298930), (4, 51149465), (5, 40919572), (10, 20459786), (20, 10229893), (71, 2881660), (142, 1440830), (149, 1373140), (284, 720415), (298, 686570), (355, 576332), (596, 343285), (710, 288166), (745, 274628), (967, 211580), (1420, 144083), (1490, 137314), (1934, 105790), (2980, 68657), (3868, 52895), (4835, 42316), (9670, 21158), (10579, 19340)]