277996325

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:506

約数の個数: 36

約数和(自身を含む): 370591980

約数和(自身を除く): 92595655

約数列:

[1, 5, 17, 25, 85, 109, 289, 353, 425, 545, 1445, 1765, 1853, 2725, 6001, 7225, 8825, 9265, 30005, 31501, 38477, 46325, 102017, 150025, 157505, 192385, 510085, 654109, 787525, 961925, 2550425, 3270545, 11119853, 16352725, 55599265, 277996325]

約数ペア:

[(1, 277996325), (5, 55599265), (17, 16352725), (25, 11119853), (85, 3270545), (109, 2550425), (289, 961925), (353, 787525), (425, 654109), (545, 510085), (1445, 192385), (1765, 157505), (1853, 150025), (2725, 102017), (6001, 46325), (7225, 38477), (8825, 31501), (9265, 30005)]