77726090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 159213600

約数和(自身を除く): 81487510

約数列:

[1, 2, 5, 10, 13, 26, 29, 53, 58, 65, 106, 130, 145, 265, 290, 377, 389, 530, 689, 754, 778, 1378, 1537, 1885, 1945, 3074, 3445, 3770, 3890, 5057, 6890, 7685, 10114, 11281, 15370, 19981, 20617, 22562, 25285, 39962, 41234, 50570, 56405, 99905, 103085, 112810, 146653, 199810, 206170, 268021, 293306, 536042, 597893, 733265, 1195786, 1340105, 1466530, 2680210, 2989465, 5978930, 7772609, 15545218, 38863045, 77726090]

約数ペア:

[(1, 77726090), (2, 38863045), (5, 15545218), (10, 7772609), (13, 5978930), (26, 2989465), (29, 2680210), (53, 1466530), (58, 1340105), (65, 1195786), (106, 733265), (130, 597893), (145, 536042), (265, 293306), (290, 268021), (377, 206170), (389, 199810), (530, 146653), (689, 112810), (754, 103085), (778, 99905), (1378, 56405), (1537, 50570), (1885, 41234), (1945, 39962), (3074, 25285), (3445, 22562), (3770, 20617), (3890, 19981), (5057, 15370), (6890, 11281), (7685, 10114)]