129376940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{84011}}^1$

素因数の和:84038

約数の個数: 48

約数和(自身を含む): 338736384

約数和(自身を除く): 209359444

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 84011, 168022, 336044, 420055, 588077, 840110, 924121, 1176154, 1680220, 1848242, 2352308, 2940385, 3696484, 4620605, 5880770, 6468847, 9241210, 11761540, 12937694, 18482420, 25875388, 32344235, 64688470, 129376940]

約数ペア:

[(1, 129376940), (2, 64688470), (4, 32344235), (5, 25875388), (7, 18482420), (10, 12937694), (11, 11761540), (14, 9241210), (20, 6468847), (22, 5880770), (28, 4620605), (35, 3696484), (44, 2940385), (55, 2352308), (70, 1848242), (77, 1680220), (110, 1176154), (140, 924121), (154, 840110), (220, 588077), (308, 420055), (385, 336044), (770, 168022), (1540, 84011)]