205984180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1609}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 447103440

約数和(自身を除く): 241119260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 173, 185, 346, 370, 692, 740, 865, 1609, 1730, 3218, 3460, 6401, 6436, 8045, 12802, 16090, 25604, 32005, 32180, 59533, 64010, 119066, 128020, 238132, 278357, 297665, 556714, 595330, 1113428, 1190660, 1391785, 2783570, 5567140, 10299209, 20598418, 41196836, 51496045, 102992090, 205984180]

約数ペア:

[(1, 205984180), (2, 102992090), (4, 51496045), (5, 41196836), (10, 20598418), (20, 10299209), (37, 5567140), (74, 2783570), (148, 1391785), (173, 1190660), (185, 1113428), (346, 595330), (370, 556714), (692, 297665), (740, 278357), (865, 238132), (1609, 128020), (1730, 119066), (3218, 64010), (3460, 59533), (6401, 32180), (6436, 32005), (8045, 25604), (12802, 16090)]