28135660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2753}}^1$

素因数の和:2842

約数の個数: 48

約数和(自身を含む): 68475456

約数和(自身を除く): 40339796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 2753, 5110, 5506, 10220, 11012, 13765, 19271, 27530, 38542, 55060, 77084, 96355, 192710, 200969, 385420, 401938, 803876, 1004845, 1406783, 2009690, 2813566, 4019380, 5627132, 7033915, 14067830, 28135660]

約数ペア:

[(1, 28135660), (2, 14067830), (4, 7033915), (5, 5627132), (7, 4019380), (10, 2813566), (14, 2009690), (20, 1406783), (28, 1004845), (35, 803876), (70, 401938), (73, 385420), (140, 200969), (146, 192710), (292, 96355), (365, 77084), (511, 55060), (730, 38542), (1022, 27530), (1460, 19271), (2044, 13765), (2555, 11012), (2753, 10220), (5110, 5506)]