393815090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{5939}}^1$

素因数の和:6314

約数の個数: 32

約数和(自身を含む): 748440000

約数和(自身を除く): 354624910

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 349, 698, 1745, 3490, 5939, 6631, 11878, 13262, 29695, 33155, 59390, 66310, 112841, 225682, 564205, 1128410, 2072711, 4145422, 10363555, 20727110, 39381509, 78763018, 196907545, 393815090]

約数ペア:

[(1, 393815090), (2, 196907545), (5, 78763018), (10, 39381509), (19, 20727110), (38, 10363555), (95, 4145422), (190, 2072711), (349, 1128410), (698, 564205), (1745, 225682), (3490, 112841), (5939, 66310), (6631, 59390), (11878, 33155), (13262, 29695)]