987200

素因数分解:

$2^6\times 5^2\times {\mathrm{617}}^1$

素因数の和:639

約数の個数: 42

約数和(自身を含む): 2433066

約数和(自身を除く): 1445866

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 617, 800, 1234, 1600, 2468, 3085, 4936, 6170, 9872, 12340, 15425, 19744, 24680, 30850, 39488, 49360, 61700, 98720, 123400, 197440, 246800, 493600, 987200]

約数ペア:

[(1, 987200), (2, 493600), (4, 246800), (5, 197440), (8, 123400), (10, 98720), (16, 61700), (20, 49360), (25, 39488), (32, 30850), (40, 24680), (50, 19744), (64, 15425), (80, 12340), (100, 9872), (160, 6170), (200, 4936), (320, 3085), (400, 2468), (617, 1600), (800, 1234)]