2018718100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{14639}}^1$

素因数の和:14857

約数の個数: 72

約数和(自身を含む): 5032177920

約数和(自身を除く): 3013459820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 700, 788, 985, 1379, 1970, 2758, 3940, 4925, 5516, 6895, 9850, 13790, 14639, 19700, 27580, 29278, 34475, 58556, 68950, 73195, 102473, 137900, 146390, 204946, 292780, 365975, 409892, 512365, 731950, 1024730, 1463900, 2049460, 2561825, 2883883, 5123650, 5767766, 10247300, 11535532, 14419415, 20187181, 28838830, 40374362, 57677660, 72097075, 80748724, 100935905, 144194150, 201871810, 288388300, 403743620, 504679525, 1009359050, 2018718100]

約数ペア:

[(1, 2018718100), (2, 1009359050), (4, 504679525), (5, 403743620), (7, 288388300), (10, 201871810), (14, 144194150), (20, 100935905), (25, 80748724), (28, 72097075), (35, 57677660), (50, 40374362), (70, 28838830), (100, 20187181), (140, 14419415), (175, 11535532), (197, 10247300), (350, 5767766), (394, 5123650), (700, 2883883), (788, 2561825), (985, 2049460), (1379, 1463900), (1970, 1024730), (2758, 731950), (3940, 512365), (4925, 409892), (5516, 365975), (6895, 292780), (9850, 204946), (13790, 146390), (14639, 137900), (19700, 102473), (27580, 73195), (29278, 68950), (34475, 58556)]