128605510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:841

約数の個数: 64

約数和(自身を含む): 270527040

約数和(自身を除く): 141921530

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 97, 110, 170, 187, 194, 374, 485, 709, 935, 970, 1067, 1418, 1649, 1870, 2134, 3298, 3545, 5335, 7090, 7799, 8245, 10670, 12053, 15598, 16490, 18139, 24106, 36278, 38995, 60265, 68773, 77990, 90695, 120530, 132583, 137546, 181390, 265166, 343865, 662915, 687730, 756503, 1169141, 1325830, 1513006, 2338282, 3782515, 5845705, 7565030, 11691410, 12860551, 25721102, 64302755, 128605510]

約数ペア:

[(1, 128605510), (2, 64302755), (5, 25721102), (10, 12860551), (11, 11691410), (17, 7565030), (22, 5845705), (34, 3782515), (55, 2338282), (85, 1513006), (97, 1325830), (110, 1169141), (170, 756503), (187, 687730), (194, 662915), (374, 343865), (485, 265166), (709, 181390), (935, 137546), (970, 132583), (1067, 120530), (1418, 90695), (1649, 77990), (1870, 68773), (2134, 60265), (3298, 38995), (3545, 36278), (5335, 24106), (7090, 18139), (7799, 16490), (8245, 15598), (10670, 12053)]