19879300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{4057}}^1$

素因数の和:4085

約数の個数: 54

約数和(自身を含む): 50193402

約数和(自身を除く): 30314102

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4057, 4900, 8114, 16228, 20285, 28399, 40570, 56798, 81140, 101425, 113596, 141995, 198793, 202850, 283990, 397586, 405700, 567980, 709975, 795172, 993965, 1419950, 1987930, 2839900, 3975860, 4969825, 9939650, 19879300]

約数ペア:

[(1, 19879300), (2, 9939650), (4, 4969825), (5, 3975860), (7, 2839900), (10, 1987930), (14, 1419950), (20, 993965), (25, 795172), (28, 709975), (35, 567980), (49, 405700), (50, 397586), (70, 283990), (98, 202850), (100, 198793), (140, 141995), (175, 113596), (196, 101425), (245, 81140), (350, 56798), (490, 40570), (700, 28399), (980, 20285), (1225, 16228), (2450, 8114), (4057, 4900)]