78889774840

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2477}}^1\times {\mathrm{5273}}^1$

素因数の和:7912

約数の個数: 64

約数和(自身を含む): 178783536960

約数和(自身を除く): 99893762120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 2477, 3020, 4954, 5273, 6040, 9908, 10546, 12385, 19816, 21092, 24770, 26365, 42184, 49540, 52730, 99080, 105460, 210920, 374027, 748054, 796223, 1496108, 1592446, 1870135, 2992216, 3184892, 3740270, 3981115, 6369784, 7480540, 7962230, 13061221, 14961080, 15924460, 26122442, 31848920, 52244884, 65306105, 104489768, 130612210, 261224420, 522448840, 1972244371, 3944488742, 7888977484, 9861221855, 15777954968, 19722443710, 39444887420, 78889774840]

約数ペア:

[(1, 78889774840), (2, 39444887420), (4, 19722443710), (5, 15777954968), (8, 9861221855), (10, 7888977484), (20, 3944488742), (40, 1972244371), (151, 522448840), (302, 261224420), (604, 130612210), (755, 104489768), (1208, 65306105), (1510, 52244884), (2477, 31848920), (3020, 26122442), (4954, 15924460), (5273, 14961080), (6040, 13061221), (9908, 7962230), (10546, 7480540), (12385, 6369784), (19816, 3981115), (21092, 3740270), (24770, 3184892), (26365, 2992216), (42184, 1870135), (49540, 1592446), (52730, 1496108), (99080, 796223), (105460, 748054), (210920, 374027)]