19473200

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:654

約数の個数: 60

約数和(自身を含む): 47396520

約数和(自身を除く): 27923320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 178, 200, 356, 400, 445, 547, 712, 890, 1094, 1424, 1780, 2188, 2225, 2735, 3560, 4376, 4450, 5470, 7120, 8752, 8900, 10940, 13675, 17800, 21880, 27350, 35600, 43760, 48683, 54700, 97366, 109400, 194732, 218800, 243415, 389464, 486830, 778928, 973660, 1217075, 1947320, 2434150, 3894640, 4868300, 9736600, 19473200]

約数ペア:

[(1, 19473200), (2, 9736600), (4, 4868300), (5, 3894640), (8, 2434150), (10, 1947320), (16, 1217075), (20, 973660), (25, 778928), (40, 486830), (50, 389464), (80, 243415), (89, 218800), (100, 194732), (178, 109400), (200, 97366), (356, 54700), (400, 48683), (445, 43760), (547, 35600), (712, 27350), (890, 21880), (1094, 17800), (1424, 13675), (1780, 10940), (2188, 8900), (2225, 8752), (2735, 7120), (3560, 5470), (4376, 4450)]