280089615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 488197152

約数和(自身を除く): 208107537

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 313, 353, 507, 845, 939, 1059, 1565, 1765, 2535, 4069, 4589, 4695, 5295, 12207, 13767, 20345, 22945, 52897, 59657, 61035, 68835, 110489, 158691, 178971, 264485, 298285, 331467, 552445, 793455, 894855, 1436357, 1657335, 4309071, 7181785, 18672641, 21545355, 56017923, 93363205, 280089615]

約数ペア:

[(1, 280089615), (3, 93363205), (5, 56017923), (13, 21545355), (15, 18672641), (39, 7181785), (65, 4309071), (169, 1657335), (195, 1436357), (313, 894855), (353, 793455), (507, 552445), (845, 331467), (939, 298285), (1059, 264485), (1565, 178971), (1765, 158691), (2535, 110489), (4069, 68835), (4589, 61035), (4695, 59657), (5295, 52897), (12207, 22945), (13767, 20345)]