87989090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 186948864

約数和(自身を除く): 98959774

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 73, 134, 146, 257, 335, 365, 469, 511, 514, 670, 730, 938, 1022, 1285, 1799, 2345, 2555, 2570, 3598, 4690, 4891, 5110, 8995, 9782, 17219, 17990, 18761, 24455, 34237, 34438, 37522, 48910, 68474, 86095, 93805, 120533, 131327, 171185, 172190, 187610, 241066, 262654, 342370, 602665, 656635, 1205330, 1256987, 1313270, 2513974, 6284935, 8798909, 12569870, 17597818, 43994545, 87989090]

約数ペア:

[(1, 87989090), (2, 43994545), (5, 17597818), (7, 12569870), (10, 8798909), (14, 6284935), (35, 2513974), (67, 1313270), (70, 1256987), (73, 1205330), (134, 656635), (146, 602665), (257, 342370), (335, 262654), (365, 241066), (469, 187610), (511, 172190), (514, 171185), (670, 131327), (730, 120533), (938, 93805), (1022, 86095), (1285, 68474), (1799, 48910), (2345, 37522), (2555, 34438), (2570, 34237), (3598, 24455), (4690, 18761), (4891, 17990), (5110, 17219), (8995, 9782)]