199894535

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 273520800

約数和(自身を除く): 73626265

約数列:

[1, 5, 19, 29, 37, 53, 95, 145, 185, 265, 551, 703, 1007, 1073, 1369, 1537, 1961, 2755, 3515, 5035, 5365, 6845, 7685, 9805, 20387, 26011, 29203, 37259, 39701, 56869, 72557, 101935, 130055, 146015, 186295, 198505, 284345, 362785, 754319, 1080511, 1378583, 2104153, 3771595, 5402555, 6892915, 10520765, 39978907, 199894535]

約数ペア:

[(1, 199894535), (5, 39978907), (19, 10520765), (29, 6892915), (37, 5402555), (53, 3771595), (95, 2104153), (145, 1378583), (185, 1080511), (265, 754319), (551, 362785), (703, 284345), (1007, 198505), (1073, 186295), (1369, 146015), (1537, 130055), (1961, 101935), (2755, 72557), (3515, 56869), (5035, 39701), (5365, 37259), (6845, 29203), (7685, 26011), (9805, 20387)]