31482110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 33836290

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 71, 110, 139, 142, 145, 278, 290, 319, 355, 638, 695, 710, 781, 1390, 1529, 1562, 1595, 2059, 3058, 3190, 3905, 4031, 4118, 7645, 7810, 8062, 9869, 10295, 15290, 19738, 20155, 20590, 22649, 40310, 44341, 45298, 49345, 88682, 98690, 108559, 113245, 217118, 221705, 226490, 286201, 443410, 542795, 572402, 1085590, 1431005, 2862010, 3148211, 6296422, 15741055, 31482110]

約数ペア:

[(1, 31482110), (2, 15741055), (5, 6296422), (10, 3148211), (11, 2862010), (22, 1431005), (29, 1085590), (55, 572402), (58, 542795), (71, 443410), (110, 286201), (139, 226490), (142, 221705), (145, 217118), (278, 113245), (290, 108559), (319, 98690), (355, 88682), (638, 49345), (695, 45298), (710, 44341), (781, 40310), (1390, 22649), (1529, 20590), (1562, 20155), (1595, 19738), (2059, 15290), (3058, 10295), (3190, 9869), (3905, 8062), (4031, 7810), (4118, 7645)]