209987140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{3011}}^1$

素因数の和:3348

約数の個数: 48

約数和(自身を含む): 482739264

約数和(自身を除く): 272752124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 317, 634, 1268, 1585, 3011, 3170, 3487, 6022, 6340, 6974, 12044, 13948, 15055, 17435, 30110, 33121, 34870, 60220, 66242, 69740, 132484, 165605, 331210, 662420, 954487, 1908974, 3817948, 4772435, 9544870, 10499357, 19089740, 20998714, 41997428, 52496785, 104993570, 209987140]

約数ペア:

[(1, 209987140), (2, 104993570), (4, 52496785), (5, 41997428), (10, 20998714), (11, 19089740), (20, 10499357), (22, 9544870), (44, 4772435), (55, 3817948), (110, 1908974), (220, 954487), (317, 662420), (634, 331210), (1268, 165605), (1585, 132484), (3011, 69740), (3170, 66242), (3487, 60220), (6022, 34870), (6340, 33121), (6974, 30110), (12044, 17435), (13948, 15055)]