28200290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 52531200

約数和(自身を除く): 24330910

約数列:

[1, 2, 5, 10, 37, 74, 185, 199, 370, 383, 398, 766, 995, 1915, 1990, 3830, 7363, 14171, 14726, 28342, 36815, 70855, 73630, 76217, 141710, 152434, 381085, 762170, 2820029, 5640058, 14100145, 28200290]

約数ペア:

[(1, 28200290), (2, 14100145), (5, 5640058), (10, 2820029), (37, 762170), (74, 381085), (185, 152434), (199, 141710), (370, 76217), (383, 73630), (398, 70855), (766, 36815), (995, 28342), (1915, 14726), (1990, 14171), (3830, 7363)]