280389186

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:437

約数の個数: 144

約数和(自身を含む): 779792832

約数和(自身を除く): 499403646

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 53, 63, 66, 77, 99, 106, 121, 126, 154, 159, 198, 231, 242, 318, 347, 363, 371, 462, 477, 583, 693, 694, 726, 742, 847, 954, 1041, 1089, 1113, 1166, 1386, 1694, 1749, 2082, 2178, 2226, 2429, 2541, 3123, 3339, 3498, 3817, 4081, 4858, 5082, 5247, 6246, 6413, 6678, 7287, 7623, 7634, 8162, 10494, 11451, 12243, 12826, 14574, 15246, 18391, 19239, 21861, 22902, 24486, 26719, 34353, 36729, 36782, 38478, 41987, 43722, 44891, 53438, 55173, 57717, 68706, 73458, 80157, 83974, 89782, 110346, 115434, 125961, 128737, 134673, 160314, 165519, 202301, 240471, 251922, 257474, 269346, 293909, 331038, 377883, 386211, 404019, 404602, 480942, 587818, 606903, 755766, 772422, 808038, 881727, 1158633, 1213806, 1416107, 1763454, 1820709, 2225311, 2317266, 2645181, 2832214, 3641418, 4248321, 4450622, 5290362, 6675933, 8496642, 12744963, 13351866, 15577177, 20027799, 25489926, 31154354, 40055598, 46731531, 93463062, 140194593, 280389186]

約数ペア:

[(1, 280389186), (2, 140194593), (3, 93463062), (6, 46731531), (7, 40055598), (9, 31154354), (11, 25489926), (14, 20027799), (18, 15577177), (21, 13351866), (22, 12744963), (33, 8496642), (42, 6675933), (53, 5290362), (63, 4450622), (66, 4248321), (77, 3641418), (99, 2832214), (106, 2645181), (121, 2317266), (126, 2225311), (154, 1820709), (159, 1763454), (198, 1416107), (231, 1213806), (242, 1158633), (318, 881727), (347, 808038), (363, 772422), (371, 755766), (462, 606903), (477, 587818), (583, 480942), (693, 404602), (694, 404019), (726, 386211), (742, 377883), (847, 331038), (954, 293909), (1041, 269346), (1089, 257474), (1113, 251922), (1166, 240471), (1386, 202301), (1694, 165519), (1749, 160314), (2082, 134673), (2178, 128737), (2226, 125961), (2429, 115434), (2541, 110346), (3123, 89782), (3339, 83974), (3498, 80157), (3817, 73458), (4081, 68706), (4858, 57717), (5082, 55173), (5247, 53438), (6246, 44891), (6413, 43722), (6678, 41987), (7287, 38478), (7623, 36782), (7634, 36729), (8162, 34353), (10494, 26719), (11451, 24486), (12243, 22902), (12826, 21861), (14574, 19239), (15246, 18391)]