128681421050

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4040233}}^1$

素因数の和:4040272

約数の個数: 72

約数和(自身を含む): 299841926076

約数和(自身を除く): 171160505026

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 455, 490, 637, 650, 910, 1225, 1274, 2275, 2450, 3185, 4550, 6370, 15925, 31850, 4040233, 8080466, 20201165, 28281631, 40402330, 52523029, 56563262, 101005825, 105046058, 141408155, 197971417, 202011650, 262615145, 282816310, 367661203, 395942834, 525230290, 707040775, 735322406, 989857085, 1313075725, 1414081550, 1838306015, 1979714170, 2573628421, 2626151450, 3676612030, 4949285425, 5147256842, 9191530075, 9898570850, 12868142105, 18383060150, 25736284210, 64340710525, 128681421050]

約数ペア:

[(1, 128681421050), (2, 64340710525), (5, 25736284210), (7, 18383060150), (10, 12868142105), (13, 9898570850), (14, 9191530075), (25, 5147256842), (26, 4949285425), (35, 3676612030), (49, 2626151450), (50, 2573628421), (65, 1979714170), (70, 1838306015), (91, 1414081550), (98, 1313075725), (130, 989857085), (175, 735322406), (182, 707040775), (245, 525230290), (325, 395942834), (350, 367661203), (455, 282816310), (490, 262615145), (637, 202011650), (650, 197971417), (910, 141408155), (1225, 105046058), (1274, 101005825), (2275, 56563262), (2450, 52523029), (3185, 40402330), (4550, 28281631), (6370, 20201165), (15925, 8080466), (31850, 4040233)]