76408840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{419}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 177811200

約数和(自身を除く): 101402360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 97, 188, 194, 235, 376, 388, 419, 470, 485, 776, 838, 940, 970, 1676, 1880, 1940, 2095, 3352, 3880, 4190, 4559, 8380, 9118, 16760, 18236, 19693, 22795, 36472, 39386, 40643, 45590, 78772, 81286, 91180, 98465, 157544, 162572, 182360, 196930, 203215, 325144, 393860, 406430, 787720, 812860, 1625720, 1910221, 3820442, 7640884, 9551105, 15281768, 19102210, 38204420, 76408840]

約数ペア:

[(1, 76408840), (2, 38204420), (4, 19102210), (5, 15281768), (8, 9551105), (10, 7640884), (20, 3820442), (40, 1910221), (47, 1625720), (94, 812860), (97, 787720), (188, 406430), (194, 393860), (235, 325144), (376, 203215), (388, 196930), (419, 182360), (470, 162572), (485, 157544), (776, 98465), (838, 91180), (940, 81286), (970, 78772), (1676, 45590), (1880, 40643), (1940, 39386), (2095, 36472), (3352, 22795), (3880, 19693), (4190, 18236), (4559, 16760), (8380, 9118)]