8410220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4621}}^1$

素因数の和:4650

約数の個数: 48

約数和(自身を含む): 21741888

約数和(自身を除く): 13331668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4621, 9242, 18484, 23105, 32347, 46210, 60073, 64694, 92420, 120146, 129388, 161735, 240292, 300365, 323470, 420511, 600730, 646940, 841022, 1201460, 1682044, 2102555, 4205110, 8410220]

約数ペア:

[(1, 8410220), (2, 4205110), (4, 2102555), (5, 1682044), (7, 1201460), (10, 841022), (13, 646940), (14, 600730), (20, 420511), (26, 323470), (28, 300365), (35, 240292), (52, 161735), (65, 129388), (70, 120146), (91, 92420), (130, 64694), (140, 60073), (182, 46210), (260, 32347), (364, 23105), (455, 18484), (910, 9242), (1820, 4621)]