28328200

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1019}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 66402000

約数和(自身を除く): 38073800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 1019, 1112, 1390, 2038, 2780, 3475, 4076, 5095, 5560, 6950, 8152, 10190, 13900, 20380, 25475, 27800, 40760, 50950, 101900, 141641, 203800, 283282, 566564, 708205, 1133128, 1416410, 2832820, 3541025, 5665640, 7082050, 14164100, 28328200]

約数ペア:

[(1, 28328200), (2, 14164100), (4, 7082050), (5, 5665640), (8, 3541025), (10, 2832820), (20, 1416410), (25, 1133128), (40, 708205), (50, 566564), (100, 283282), (139, 203800), (200, 141641), (278, 101900), (556, 50950), (695, 40760), (1019, 27800), (1112, 25475), (1390, 20380), (2038, 13900), (2780, 10190), (3475, 8152), (4076, 6950), (5095, 5560)]