128214250

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 250967808

約数和(自身を除く): 122753558

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 83, 125, 166, 167, 185, 250, 334, 370, 415, 830, 835, 925, 1670, 1850, 2075, 3071, 4150, 4175, 4625, 6142, 6179, 8350, 9250, 10375, 12358, 13861, 15355, 20750, 20875, 27722, 30710, 30895, 41750, 61790, 69305, 76775, 138610, 153550, 154475, 308950, 346525, 383875, 512857, 693050, 767750, 772375, 1025714, 1544750, 1732625, 2564285, 3465250, 5128570, 12821425, 25642850, 64107125, 128214250]

約数ペア:

[(1, 128214250), (2, 64107125), (5, 25642850), (10, 12821425), (25, 5128570), (37, 3465250), (50, 2564285), (74, 1732625), (83, 1544750), (125, 1025714), (166, 772375), (167, 767750), (185, 693050), (250, 512857), (334, 383875), (370, 346525), (415, 308950), (830, 154475), (835, 153550), (925, 138610), (1670, 76775), (1850, 69305), (2075, 61790), (3071, 41750), (4150, 30895), (4175, 30710), (4625, 27722), (6142, 20875), (6179, 20750), (8350, 15355), (9250, 13861), (10375, 12358)]