254385302425

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{467}}^1\times {\mathrm{1787}}^1$

素因数の和:2490

約数の個数: 48

約数和(自身を含む): 322178575680

約数和(自身を除く): 67793273255

約数列:

[1, 5, 25, 89, 137, 445, 467, 685, 1787, 2225, 2335, 3425, 8935, 11675, 12193, 41563, 44675, 60965, 63979, 159043, 207815, 244819, 304825, 319895, 795215, 834529, 1039075, 1224095, 1599475, 3976075, 4172645, 5694131, 6120475, 20863225, 21788891, 28470655, 74273081, 108944455, 114330473, 142353275, 371365405, 544722275, 571652365, 1856827025, 2858261825, 10175412097, 50877060485, 254385302425]

約数ペア:

[(1, 254385302425), (5, 50877060485), (25, 10175412097), (89, 2858261825), (137, 1856827025), (445, 571652365), (467, 544722275), (685, 371365405), (1787, 142353275), (2225, 114330473), (2335, 108944455), (3425, 74273081), (8935, 28470655), (11675, 21788891), (12193, 20863225), (41563, 6120475), (44675, 5694131), (60965, 4172645), (63979, 3976075), (159043, 1599475), (207815, 1224095), (244819, 1039075), (304825, 834529), (319895, 795215)]