7021190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 14929920

約数和(自身を除く): 7908730

約数列:

[1, 2, 5, 10, 11, 22, 29, 31, 55, 58, 62, 71, 110, 142, 145, 155, 290, 310, 319, 341, 355, 638, 682, 710, 781, 899, 1562, 1595, 1705, 1798, 2059, 2201, 3190, 3410, 3905, 4118, 4402, 4495, 7810, 8990, 9889, 10295, 11005, 19778, 20590, 22010, 22649, 24211, 45298, 48422, 49445, 63829, 98890, 113245, 121055, 127658, 226490, 242110, 319145, 638290, 702119, 1404238, 3510595, 7021190]

約数ペア:

[(1, 7021190), (2, 3510595), (5, 1404238), (10, 702119), (11, 638290), (22, 319145), (29, 242110), (31, 226490), (55, 127658), (58, 121055), (62, 113245), (71, 98890), (110, 63829), (142, 49445), (145, 48422), (155, 45298), (290, 24211), (310, 22649), (319, 22010), (341, 20590), (355, 19778), (638, 11005), (682, 10295), (710, 9889), (781, 8990), (899, 7810), (1562, 4495), (1595, 4402), (1705, 4118), (1798, 3905), (2059, 3410), (2201, 3190)]