7257380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 16633344

約数和(自身を除く): 9375964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 271, 412, 515, 542, 1030, 1084, 1339, 1355, 2060, 2678, 2710, 3523, 5356, 5420, 6695, 7046, 13390, 14092, 17615, 26780, 27913, 35230, 55826, 70460, 111652, 139565, 279130, 362869, 558260, 725738, 1451476, 1814345, 3628690, 7257380]

約数ペア:

[(1, 7257380), (2, 3628690), (4, 1814345), (5, 1451476), (10, 725738), (13, 558260), (20, 362869), (26, 279130), (52, 139565), (65, 111652), (103, 70460), (130, 55826), (206, 35230), (260, 27913), (271, 26780), (412, 17615), (515, 14092), (542, 13390), (1030, 7046), (1084, 6695), (1339, 5420), (1355, 5356), (2060, 3523), (2678, 2710)]