128401460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1427}}^1$

素因数の和:1856

約数の個数: 48

約数和(自身を含む): 295081920

約数和(自身を除く): 166680460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1427, 1636, 2045, 2854, 4090, 4499, 5708, 7135, 8180, 8998, 14270, 15697, 17996, 22495, 28540, 31394, 44990, 62788, 78485, 89980, 156970, 313940, 583643, 1167286, 2334572, 2918215, 5836430, 6420073, 11672860, 12840146, 25680292, 32100365, 64200730, 128401460]

約数ペア:

[(1, 128401460), (2, 64200730), (4, 32100365), (5, 25680292), (10, 12840146), (11, 11672860), (20, 6420073), (22, 5836430), (44, 2918215), (55, 2334572), (110, 1167286), (220, 583643), (409, 313940), (818, 156970), (1427, 89980), (1636, 78485), (2045, 62788), (2854, 44990), (4090, 31394), (4499, 28540), (5708, 22495), (7135, 17996), (8180, 15697), (8998, 14270)]