84758380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8527}}^1$

素因数の和:8614

約数の個数: 48

約数和(自身を含む): 206309376

約数和(自身を除く): 121550996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8527, 9940, 17054, 34108, 42635, 59689, 85270, 119378, 170540, 238756, 298445, 596890, 605417, 1193780, 1210834, 2421668, 3027085, 4237919, 6054170, 8475838, 12108340, 16951676, 21189595, 42379190, 84758380]

約数ペア:

[(1, 84758380), (2, 42379190), (4, 21189595), (5, 16951676), (7, 12108340), (10, 8475838), (14, 6054170), (20, 4237919), (28, 3027085), (35, 2421668), (70, 1210834), (71, 1193780), (140, 605417), (142, 596890), (284, 298445), (355, 238756), (497, 170540), (710, 119378), (994, 85270), (1420, 59689), (1988, 42635), (2485, 34108), (4970, 17054), (8527, 9940)]