199467660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{474923}}^1$

素因数の和:474942

約数の個数: 48

約数和(自身を含む): 638297856

約数和(自身を除く): 438830196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 474923, 949846, 1424769, 1899692, 2374615, 2849538, 3324461, 4749230, 5699076, 6648922, 7123845, 9498460, 9973383, 13297844, 14247690, 16622305, 19946766, 28495380, 33244610, 39893532, 49866915, 66489220, 99733830, 199467660]

約数ペア:

[(1, 199467660), (2, 99733830), (3, 66489220), (4, 49866915), (5, 39893532), (6, 33244610), (7, 28495380), (10, 19946766), (12, 16622305), (14, 14247690), (15, 13297844), (20, 9973383), (21, 9498460), (28, 7123845), (30, 6648922), (35, 5699076), (42, 4749230), (60, 3324461), (70, 2849538), (84, 2374615), (105, 1899692), (140, 1424769), (210, 949846), (420, 474923)]