85716790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 169905600

約数和(自身を除く): 84188810

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 89, 95, 137, 178, 185, 190, 274, 370, 445, 685, 703, 890, 1370, 1406, 1691, 2603, 3293, 3382, 3515, 5069, 5206, 6586, 7030, 8455, 10138, 12193, 13015, 16465, 16910, 24386, 25345, 26030, 32930, 50690, 60965, 62567, 96311, 121930, 125134, 192622, 231667, 312835, 451141, 463334, 481555, 625670, 902282, 963110, 1158335, 2255705, 2316670, 4511410, 8571679, 17143358, 42858395, 85716790]

約数ペア:

[(1, 85716790), (2, 42858395), (5, 17143358), (10, 8571679), (19, 4511410), (37, 2316670), (38, 2255705), (74, 1158335), (89, 963110), (95, 902282), (137, 625670), (178, 481555), (185, 463334), (190, 451141), (274, 312835), (370, 231667), (445, 192622), (685, 125134), (703, 121930), (890, 96311), (1370, 62567), (1406, 60965), (1691, 50690), (2603, 32930), (3293, 26030), (3382, 25345), (3515, 24386), (5069, 16910), (5206, 16465), (6586, 13015), (7030, 12193), (8455, 10138)]