78331660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4507}}^1$

素因数の和:4606

約数の個数: 48

約数和(自身を含む): 181762560

約数和(自身を除く): 103430900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 4507, 8690, 9014, 17380, 18028, 22535, 45070, 49577, 90140, 99154, 198308, 247885, 356053, 495770, 712106, 991540, 1424212, 1780265, 3560530, 3916583, 7121060, 7833166, 15666332, 19582915, 39165830, 78331660]

約数ペア:

[(1, 78331660), (2, 39165830), (4, 19582915), (5, 15666332), (10, 7833166), (11, 7121060), (20, 3916583), (22, 3560530), (44, 1780265), (55, 1424212), (79, 991540), (110, 712106), (158, 495770), (220, 356053), (316, 247885), (395, 198308), (790, 99154), (869, 90140), (1580, 49577), (1738, 45070), (3476, 22535), (4345, 18028), (4507, 17380), (8690, 9014)]