858444890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1\times {\mathrm{2267}}^1$

素因数の和:4286

約数の個数: 32

約数和(自身を含む): 1628061120

約数和(自身を除く): 769616230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1993, 2267, 3986, 4534, 9965, 11335, 19930, 22670, 37867, 43073, 75734, 86146, 189335, 215365, 378670, 430730, 4518131, 9036262, 22590655, 45181310, 85844489, 171688978, 429222445, 858444890]

約数ペア:

[(1, 858444890), (2, 429222445), (5, 171688978), (10, 85844489), (19, 45181310), (38, 22590655), (95, 9036262), (190, 4518131), (1993, 430730), (2267, 378670), (3986, 215365), (4534, 189335), (9965, 86146), (11335, 75734), (19930, 43073), (22670, 37867)]