27857620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1031}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 67269888

約数和(自身を除く): 39412268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1031, 1351, 1930, 2062, 2702, 3860, 4124, 5155, 5404, 6755, 7217, 10310, 13510, 14434, 20620, 27020, 28868, 36085, 72170, 144340, 198983, 397966, 795932, 994915, 1392881, 1989830, 2785762, 3979660, 5571524, 6964405, 13928810, 27857620]

約数ペア:

[(1, 27857620), (2, 13928810), (4, 6964405), (5, 5571524), (7, 3979660), (10, 2785762), (14, 1989830), (20, 1392881), (28, 994915), (35, 795932), (70, 397966), (140, 198983), (193, 144340), (386, 72170), (772, 36085), (965, 28868), (1031, 27020), (1351, 20620), (1930, 14434), (2062, 13510), (2702, 10310), (3860, 7217), (4124, 6755), (5155, 5404)]