7218080

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 17214120

約数和(自身を除く): 9996040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 229, 394, 458, 788, 916, 985, 1145, 1576, 1832, 1970, 2290, 3152, 3664, 3940, 4580, 6304, 7328, 7880, 9160, 15760, 18320, 31520, 36640, 45113, 90226, 180452, 225565, 360904, 451130, 721808, 902260, 1443616, 1804520, 3609040, 7218080]

約数ペア:

[(1, 7218080), (2, 3609040), (4, 1804520), (5, 1443616), (8, 902260), (10, 721808), (16, 451130), (20, 360904), (32, 225565), (40, 180452), (80, 90226), (160, 45113), (197, 36640), (229, 31520), (394, 18320), (458, 15760), (788, 9160), (916, 7880), (985, 7328), (1145, 6304), (1576, 4580), (1832, 3940), (1970, 3664), (2290, 3152)]