890536670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 1742601600

約数和(自身を除く): 852064930

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 89, 142, 170, 178, 355, 445, 710, 829, 890, 1207, 1513, 1658, 2414, 3026, 4145, 6035, 6319, 7565, 8290, 12070, 12638, 14093, 15130, 28186, 31595, 58859, 63190, 70465, 73781, 107423, 117718, 140930, 147562, 214846, 294295, 368905, 537115, 588590, 737810, 1000603, 1074230, 1254277, 2001206, 2508554, 5003015, 5238451, 6271385, 10006030, 10476902, 12542770, 26192255, 52384510, 89053667, 178107334, 445268335, 890536670]

約数ペア:

[(1, 890536670), (2, 445268335), (5, 178107334), (10, 89053667), (17, 52384510), (34, 26192255), (71, 12542770), (85, 10476902), (89, 10006030), (142, 6271385), (170, 5238451), (178, 5003015), (355, 2508554), (445, 2001206), (710, 1254277), (829, 1074230), (890, 1000603), (1207, 737810), (1513, 588590), (1658, 537115), (2414, 368905), (3026, 294295), (4145, 214846), (6035, 147562), (6319, 140930), (7565, 117718), (8290, 107423), (12070, 73781), (12638, 70465), (14093, 63190), (15130, 58859), (28186, 31595)]