201582920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{65449}}^1$

素因数の和:65478

約数の個数: 64

約数和(自身を含む): 565488000

約数和(自身を除く): 363905080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 65449, 130898, 261796, 327245, 458143, 523592, 654490, 719939, 916286, 1308980, 1439878, 1832572, 2290715, 2617960, 2879756, 3599695, 3665144, 4581430, 5039573, 5759512, 7199390, 9162860, 10079146, 14398780, 18325720, 20158292, 25197865, 28797560, 40316584, 50395730, 100791460, 201582920]

約数ペア:

[(1, 201582920), (2, 100791460), (4, 50395730), (5, 40316584), (7, 28797560), (8, 25197865), (10, 20158292), (11, 18325720), (14, 14398780), (20, 10079146), (22, 9162860), (28, 7199390), (35, 5759512), (40, 5039573), (44, 4581430), (55, 3665144), (56, 3599695), (70, 2879756), (77, 2617960), (88, 2290715), (110, 1832572), (140, 1439878), (154, 1308980), (220, 916286), (280, 719939), (308, 654490), (385, 523592), (440, 458143), (616, 327245), (770, 261796), (1540, 130898), (3080, 65449)]