78925420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 200245248

約数和(自身を除く): 121319828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 127, 140, 161, 193, 230, 254, 322, 386, 460, 508, 635, 644, 772, 805, 889, 965, 1270, 1351, 1610, 1778, 1930, 2540, 2702, 2921, 3220, 3556, 3860, 4439, 4445, 5404, 5842, 6755, 8878, 8890, 11684, 13510, 14605, 17756, 17780, 20447, 22195, 24511, 27020, 29210, 31073, 40894, 44390, 49022, 58420, 62146, 81788, 88780, 98044, 102235, 122555, 124292, 155365, 171577, 204470, 245110, 310730, 343154, 408940, 490220, 563753, 621460, 686308, 857885, 1127506, 1715770, 2255012, 2818765, 3431540, 3946271, 5637530, 7892542, 11275060, 15785084, 19731355, 39462710, 78925420]

約数ペア:

[(1, 78925420), (2, 39462710), (4, 19731355), (5, 15785084), (7, 11275060), (10, 7892542), (14, 5637530), (20, 3946271), (23, 3431540), (28, 2818765), (35, 2255012), (46, 1715770), (70, 1127506), (92, 857885), (115, 686308), (127, 621460), (140, 563753), (161, 490220), (193, 408940), (230, 343154), (254, 310730), (322, 245110), (386, 204470), (460, 171577), (508, 155365), (635, 124292), (644, 122555), (772, 102235), (805, 98044), (889, 88780), (965, 81788), (1270, 62146), (1351, 58420), (1610, 49022), (1778, 44390), (1930, 40894), (2540, 31073), (2702, 29210), (2921, 27020), (3220, 24511), (3556, 22195), (3860, 20447), (4439, 17780), (4445, 17756), (5404, 14605), (5842, 13510), (6755, 11684), (8878, 8890)]