245280490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269539}}^1$

素因数の和:269566

約数の個数: 32

約数和(自身を含む): 543392640

約数和(自身を除く): 298112150

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 269539, 539078, 1347695, 1886773, 2695390, 3504007, 3773546, 7008014, 9433865, 17520035, 18867730, 24528049, 35040070, 49056098, 122640245, 245280490]

約数ペア:

[(1, 245280490), (2, 122640245), (5, 49056098), (7, 35040070), (10, 24528049), (13, 18867730), (14, 17520035), (26, 9433865), (35, 7008014), (65, 3773546), (70, 3504007), (91, 2695390), (130, 1886773), (182, 1347695), (455, 539078), (910, 269539)]