31508840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3769}}^1$

素因数の和:3810

約数の個数: 64

約数和(自身を含む): 81432000

約数和(自身を除く): 49923160

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3769, 4180, 7538, 8360, 15076, 18845, 30152, 37690, 41459, 71611, 75380, 82918, 143222, 150760, 165836, 207295, 286444, 331672, 358055, 414590, 572888, 716110, 787721, 829180, 1432220, 1575442, 1658360, 2864440, 3150884, 3938605, 6301768, 7877210, 15754420, 31508840]

約数ペア:

[(1, 31508840), (2, 15754420), (4, 7877210), (5, 6301768), (8, 3938605), (10, 3150884), (11, 2864440), (19, 1658360), (20, 1575442), (22, 1432220), (38, 829180), (40, 787721), (44, 716110), (55, 572888), (76, 414590), (88, 358055), (95, 331672), (110, 286444), (152, 207295), (190, 165836), (209, 150760), (220, 143222), (380, 82918), (418, 75380), (440, 71611), (760, 41459), (836, 37690), (1045, 30152), (1672, 18845), (2090, 15076), (3769, 8360), (4180, 7538)]