769718920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{19457}}^1$

素因数の和:19534

約数の個数: 64

約数和(自身を含む): 1849288320

約数和(自身を除く): 1079569400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 7912, 9890, 19457, 19780, 38914, 39560, 77828, 97285, 155656, 194570, 389140, 447511, 778280, 836651, 895022, 1673302, 1790044, 2237555, 3346604, 3580088, 4183255, 4475110, 6693208, 8366510, 8950220, 16733020, 17900440, 19242973, 33466040, 38485946, 76971892, 96214865, 153943784, 192429730, 384859460, 769718920]

約数ペア:

[(1, 769718920), (2, 384859460), (4, 192429730), (5, 153943784), (8, 96214865), (10, 76971892), (20, 38485946), (23, 33466040), (40, 19242973), (43, 17900440), (46, 16733020), (86, 8950220), (92, 8366510), (115, 6693208), (172, 4475110), (184, 4183255), (215, 3580088), (230, 3346604), (344, 2237555), (430, 1790044), (460, 1673302), (860, 895022), (920, 836651), (989, 778280), (1720, 447511), (1978, 389140), (3956, 194570), (4945, 155656), (7912, 97285), (9890, 77828), (19457, 39560), (19780, 38914)]