144640825

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 221235840

約数和(自身を除く): 76595015

約数列:

[1, 5, 7, 19, 25, 35, 41, 95, 133, 175, 205, 287, 475, 665, 779, 1025, 1061, 1435, 3325, 3895, 5305, 5453, 7175, 7427, 19475, 20159, 26525, 27265, 37135, 43501, 100795, 136325, 141113, 185675, 217505, 304507, 503975, 705565, 826519, 1087525, 1522535, 3527825, 4132595, 5785633, 7612675, 20662975, 28928165, 144640825]

約数ペア:

[(1, 144640825), (5, 28928165), (7, 20662975), (19, 7612675), (25, 5785633), (35, 4132595), (41, 3527825), (95, 1522535), (133, 1087525), (175, 826519), (205, 705565), (287, 503975), (475, 304507), (665, 217505), (779, 185675), (1025, 141113), (1061, 136325), (1435, 100795), (3325, 43501), (3895, 37135), (5305, 27265), (5453, 26525), (7175, 20159), (7427, 19475)]