1947140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7489}}^1$

素因数の和:7511

約数の個数: 24

約数和(自身を含む): 4404120

約数和(自身を除く): 2456980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7489, 14978, 29956, 37445, 74890, 97357, 149780, 194714, 389428, 486785, 973570, 1947140]

約数ペア:

[(1, 1947140), (2, 973570), (4, 486785), (5, 389428), (10, 194714), (13, 149780), (20, 97357), (26, 74890), (52, 37445), (65, 29956), (130, 14978), (260, 7489)]