289303975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{751}}^1\times {\mathrm{811}}^1$

素因数の和:1591

約数の個数: 24

約数和(自身を含む): 378586880

約数和(自身を除く): 89282905

約数列:

[1, 5, 19, 25, 95, 475, 751, 811, 3755, 4055, 14269, 15409, 18775, 20275, 71345, 77045, 356725, 385225, 609061, 3045305, 11572159, 15226525, 57860795, 289303975]

約数ペア:

[(1, 289303975), (5, 57860795), (19, 15226525), (25, 11572159), (95, 3045305), (475, 609061), (751, 385225), (811, 356725), (3755, 77045), (4055, 71345), (14269, 20275), (15409, 18775)]