69850280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{739}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 167832000

約数和(自身を除く): 97981720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 340, 556, 680, 695, 739, 1112, 1390, 1478, 2363, 2780, 2956, 3695, 4726, 5560, 5912, 7390, 9452, 11815, 12563, 14780, 18904, 23630, 25126, 29560, 47260, 50252, 62815, 94520, 100504, 102721, 125630, 205442, 251260, 410884, 502520, 513605, 821768, 1027210, 1746257, 2054420, 3492514, 4108840, 6985028, 8731285, 13970056, 17462570, 34925140, 69850280]

約数ペア:

[(1, 69850280), (2, 34925140), (4, 17462570), (5, 13970056), (8, 8731285), (10, 6985028), (17, 4108840), (20, 3492514), (34, 2054420), (40, 1746257), (68, 1027210), (85, 821768), (136, 513605), (139, 502520), (170, 410884), (278, 251260), (340, 205442), (556, 125630), (680, 102721), (695, 100504), (739, 94520), (1112, 62815), (1390, 50252), (1478, 47260), (2363, 29560), (2780, 25126), (2956, 23630), (3695, 18904), (4726, 14780), (5560, 12563), (5912, 11815), (7390, 9452)]