2056580225

素因数分解:

$5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 3045742560

約数和(自身を除く): 989162335

約数列:

[1, 5, 7, 25, 35, 49, 83, 113, 175, 179, 245, 415, 565, 581, 791, 895, 1225, 1253, 2075, 2825, 2905, 3955, 4067, 4475, 5537, 6265, 8771, 9379, 14525, 14857, 19775, 20227, 20335, 27685, 31325, 43855, 46895, 65653, 74285, 101135, 101675, 103999, 138425, 141589, 219275, 234475, 328265, 371425, 459571, 505675, 519995, 707945, 727993, 991123, 1641325, 1678841, 2297855, 2599975, 3539725, 3639965, 4955615, 8394205, 11489275, 11751887, 18199825, 24778075, 41971025, 58759435, 82263209, 293797175, 411316045, 2056580225]

約数ペア:

[(1, 2056580225), (5, 411316045), (7, 293797175), (25, 82263209), (35, 58759435), (49, 41971025), (83, 24778075), (113, 18199825), (175, 11751887), (179, 11489275), (245, 8394205), (415, 4955615), (565, 3639965), (581, 3539725), (791, 2599975), (895, 2297855), (1225, 1678841), (1253, 1641325), (2075, 991123), (2825, 727993), (2905, 707945), (3955, 519995), (4067, 505675), (4475, 459571), (5537, 371425), (6265, 328265), (8771, 234475), (9379, 219275), (14525, 141589), (14857, 138425), (19775, 103999), (20227, 101675), (20335, 101135), (27685, 74285), (31325, 65653), (43855, 46895)]