78374140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8147}}^1$

素因数の和:8206

約数の個数: 48

約数和(自身を含む): 182058912

約数和(自身を除く): 103684772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 8147, 9620, 16294, 32588, 40735, 81470, 105911, 162940, 211822, 301439, 423644, 529555, 602878, 1059110, 1205756, 1507195, 2118220, 3014390, 3918707, 6028780, 7837414, 15674828, 19593535, 39187070, 78374140]

約数ペア:

[(1, 78374140), (2, 39187070), (4, 19593535), (5, 15674828), (10, 7837414), (13, 6028780), (20, 3918707), (26, 3014390), (37, 2118220), (52, 1507195), (65, 1205756), (74, 1059110), (130, 602878), (148, 529555), (185, 423644), (260, 301439), (370, 211822), (481, 162940), (740, 105911), (962, 81470), (1924, 40735), (2405, 32588), (4810, 16294), (8147, 9620)]