1285128425

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{859}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 1863214080

約数和(自身を除く): 578085655

約数列:

[1, 5, 7, 25, 35, 83, 103, 175, 415, 515, 581, 721, 859, 2075, 2575, 2905, 3605, 4295, 6013, 8549, 14525, 18025, 21475, 30065, 42745, 59843, 71297, 88477, 150325, 213725, 299215, 356485, 442385, 499079, 619339, 1496075, 1782425, 2211925, 2495395, 3096695, 7343591, 12476975, 15483475, 36717955, 51405137, 183589775, 257025685, 1285128425]

約数ペア:

[(1, 1285128425), (5, 257025685), (7, 183589775), (25, 51405137), (35, 36717955), (83, 15483475), (103, 12476975), (175, 7343591), (415, 3096695), (515, 2495395), (581, 2211925), (721, 1782425), (859, 1496075), (2075, 619339), (2575, 499079), (2905, 442385), (3605, 356485), (4295, 299215), (6013, 213725), (8549, 150325), (14525, 88477), (18025, 71297), (21475, 59843), (30065, 42745)]