70267280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 168739200

約数和(自身を除く): 98471920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 89, 139, 142, 178, 278, 284, 355, 356, 445, 556, 568, 695, 710, 712, 890, 1112, 1136, 1390, 1420, 1424, 1780, 2224, 2780, 2840, 3560, 5560, 5680, 6319, 7120, 9869, 11120, 12371, 12638, 19738, 24742, 25276, 31595, 39476, 49345, 49484, 50552, 61855, 63190, 78952, 98690, 98968, 101104, 123710, 126380, 157904, 197380, 197936, 247420, 252760, 394760, 494840, 505520, 789520, 878341, 989680, 1756682, 3513364, 4391705, 7026728, 8783410, 14053456, 17566820, 35133640, 70267280]

約数ペア:

[(1, 70267280), (2, 35133640), (4, 17566820), (5, 14053456), (8, 8783410), (10, 7026728), (16, 4391705), (20, 3513364), (40, 1756682), (71, 989680), (80, 878341), (89, 789520), (139, 505520), (142, 494840), (178, 394760), (278, 252760), (284, 247420), (355, 197936), (356, 197380), (445, 157904), (556, 126380), (568, 123710), (695, 101104), (710, 98968), (712, 98690), (890, 78952), (1112, 63190), (1136, 61855), (1390, 50552), (1420, 49484), (1424, 49345), (1780, 39476), (2224, 31595), (2780, 25276), (2840, 24742), (3560, 19738), (5560, 12638), (5680, 12371), (6319, 11120), (7120, 9869)]