440127740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{36017}}^1$

素因数の和:36086

約数の個数: 48

約数和(自身を含む): 1016572032

約数和(自身を除く): 576444292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 36017, 72034, 144068, 180085, 360170, 468221, 720340, 936442, 1692799, 1872884, 2341105, 3385598, 4682210, 6771196, 8463995, 9364420, 16927990, 22006387, 33855980, 44012774, 88025548, 110031935, 220063870, 440127740]

約数ペア:

[(1, 440127740), (2, 220063870), (4, 110031935), (5, 88025548), (10, 44012774), (13, 33855980), (20, 22006387), (26, 16927990), (47, 9364420), (52, 8463995), (65, 6771196), (94, 4682210), (130, 3385598), (188, 2341105), (235, 1872884), (260, 1692799), (470, 936442), (611, 720340), (940, 468221), (1222, 360170), (2444, 180085), (3055, 144068), (6110, 72034), (12220, 36017)]