917249960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{823}}^1$

素因数の和:1011

約数の個数: 128

約数和(自身を含む): 2402784000

約数和(自身を除く): 1485534040

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 149, 170, 187, 220, 298, 340, 374, 440, 596, 680, 745, 748, 823, 935, 1192, 1490, 1496, 1639, 1646, 1870, 2533, 2980, 3278, 3292, 3740, 4115, 5066, 5960, 6556, 6584, 7480, 8195, 8230, 9053, 10132, 12665, 13112, 13991, 16390, 16460, 18106, 20264, 25330, 27863, 27982, 32780, 32920, 36212, 45265, 50660, 55726, 55964, 65560, 69955, 72424, 90530, 101320, 111452, 111928, 122627, 139315, 139910, 153901, 181060, 222904, 245254, 278630, 279820, 307802, 362120, 490508, 557260, 559640, 613135, 615604, 769505, 981016, 1114520, 1226270, 1231208, 1348897, 1539010, 2084659, 2452540, 2697794, 3078020, 4169318, 4905080, 5395588, 6156040, 6744485, 8338636, 10423295, 10791176, 13488970, 16677272, 20846590, 22931249, 26977940, 41693180, 45862498, 53955880, 83386360, 91724996, 114656245, 183449992, 229312490, 458624980, 917249960]

約数ペア:

[(1, 917249960), (2, 458624980), (4, 229312490), (5, 183449992), (8, 114656245), (10, 91724996), (11, 83386360), (17, 53955880), (20, 45862498), (22, 41693180), (34, 26977940), (40, 22931249), (44, 20846590), (55, 16677272), (68, 13488970), (85, 10791176), (88, 10423295), (110, 8338636), (136, 6744485), (149, 6156040), (170, 5395588), (187, 4905080), (220, 4169318), (298, 3078020), (340, 2697794), (374, 2452540), (440, 2084659), (596, 1539010), (680, 1348897), (745, 1231208), (748, 1226270), (823, 1114520), (935, 981016), (1192, 769505), (1490, 615604), (1496, 613135), (1639, 559640), (1646, 557260), (1870, 490508), (2533, 362120), (2980, 307802), (3278, 279820), (3292, 278630), (3740, 245254), (4115, 222904), (5066, 181060), (5960, 153901), (6556, 139910), (6584, 139315), (7480, 122627), (8195, 111928), (8230, 111452), (9053, 101320), (10132, 90530), (12665, 72424), (13112, 69955), (13991, 65560), (16390, 55964), (16460, 55726), (18106, 50660), (20264, 45265), (25330, 36212), (27863, 32920), (27982, 32780)]