31043200

素因数分解:

$2^7\times 5^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 78259500

約数和(自身を除く): 47216300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 109, 128, 160, 178, 200, 218, 320, 356, 400, 436, 445, 545, 640, 712, 800, 872, 890, 1090, 1424, 1600, 1744, 1780, 2180, 2225, 2725, 2848, 3200, 3488, 3560, 4360, 4450, 5450, 5696, 6976, 7120, 8720, 8900, 9701, 10900, 11392, 13952, 14240, 17440, 17800, 19402, 21800, 28480, 34880, 35600, 38804, 43600, 48505, 56960, 69760, 71200, 77608, 87200, 97010, 142400, 155216, 174400, 194020, 242525, 284800, 310432, 348800, 388040, 485050, 620864, 776080, 970100, 1241728, 1552160, 1940200, 3104320, 3880400, 6208640, 7760800, 15521600, 31043200]

約数ペア:

[(1, 31043200), (2, 15521600), (4, 7760800), (5, 6208640), (8, 3880400), (10, 3104320), (16, 1940200), (20, 1552160), (25, 1241728), (32, 970100), (40, 776080), (50, 620864), (64, 485050), (80, 388040), (89, 348800), (100, 310432), (109, 284800), (128, 242525), (160, 194020), (178, 174400), (200, 155216), (218, 142400), (320, 97010), (356, 87200), (400, 77608), (436, 71200), (445, 69760), (545, 56960), (640, 48505), (712, 43600), (800, 38804), (872, 35600), (890, 34880), (1090, 28480), (1424, 21800), (1600, 19402), (1744, 17800), (1780, 17440), (2180, 14240), (2225, 13952), (2725, 11392), (2848, 10900), (3200, 9701), (3488, 8900), (3560, 8720), (4360, 7120), (4450, 6976), (5450, 5696)]