269432840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 623462400

約数和(自身を除く): 354029560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 383, 409, 430, 766, 818, 860, 1532, 1636, 1720, 1915, 2045, 3064, 3272, 3830, 4090, 7660, 8180, 15320, 16360, 16469, 17587, 32938, 35174, 65876, 70348, 82345, 87935, 131752, 140696, 156647, 164690, 175870, 313294, 329380, 351740, 626588, 658760, 703480, 783235, 1253176, 1566470, 3132940, 6265880, 6735821, 13471642, 26943284, 33679105, 53886568, 67358210, 134716420, 269432840]

約数ペア:

[(1, 269432840), (2, 134716420), (4, 67358210), (5, 53886568), (8, 33679105), (10, 26943284), (20, 13471642), (40, 6735821), (43, 6265880), (86, 3132940), (172, 1566470), (215, 1253176), (344, 783235), (383, 703480), (409, 658760), (430, 626588), (766, 351740), (818, 329380), (860, 313294), (1532, 175870), (1636, 164690), (1720, 156647), (1915, 140696), (2045, 131752), (3064, 87935), (3272, 82345), (3830, 70348), (4090, 65876), (7660, 35174), (8180, 32938), (15320, 17587), (16360, 16469)]