2520245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 3870720

約数和(自身を除く): 1350475

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 191, 203, 377, 455, 955, 1015, 1337, 1885, 2483, 2639, 5539, 6685, 12415, 13195, 17381, 27695, 38773, 72007, 86905, 193865, 360035, 504049, 2520245]

約数ペア:

[(1, 2520245), (5, 504049), (7, 360035), (13, 193865), (29, 86905), (35, 72007), (65, 38773), (91, 27695), (145, 17381), (191, 13195), (203, 12415), (377, 6685), (455, 5539), (955, 2639), (1015, 2483), (1337, 1885)]