211014580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1093}}^1$

素因数の和:1313

約数の個数: 72

約数和(自身を含む): 518569128

約数和(自身を除く): 307554548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 394, 490, 788, 980, 985, 1093, 1379, 1970, 2186, 2758, 3940, 4372, 5465, 5516, 6895, 7651, 9653, 10930, 13790, 15302, 19306, 21860, 27580, 30604, 38255, 38612, 48265, 53557, 76510, 96530, 107114, 153020, 193060, 214228, 215321, 267785, 430642, 535570, 861284, 1071140, 1076605, 1507247, 2153210, 3014494, 4306420, 6028988, 7536235, 10550729, 15072470, 21101458, 30144940, 42202916, 52753645, 105507290, 211014580]

約数ペア:

[(1, 211014580), (2, 105507290), (4, 52753645), (5, 42202916), (7, 30144940), (10, 21101458), (14, 15072470), (20, 10550729), (28, 7536235), (35, 6028988), (49, 4306420), (70, 3014494), (98, 2153210), (140, 1507247), (196, 1076605), (197, 1071140), (245, 861284), (394, 535570), (490, 430642), (788, 267785), (980, 215321), (985, 214228), (1093, 193060), (1379, 153020), (1970, 107114), (2186, 96530), (2758, 76510), (3940, 53557), (4372, 48265), (5465, 38612), (5516, 38255), (6895, 30604), (7651, 27580), (9653, 21860), (10930, 19306), (13790, 15302)]