209713812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 629207040

約数和(自身を除く): 419493228

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 47, 66, 77, 84, 94, 121, 132, 141, 154, 188, 231, 242, 282, 308, 329, 363, 439, 462, 484, 517, 564, 658, 726, 847, 878, 924, 987, 1034, 1316, 1317, 1452, 1551, 1694, 1756, 1974, 2068, 2541, 2634, 3073, 3102, 3388, 3619, 3948, 4829, 5082, 5268, 5687, 6146, 6204, 7238, 9219, 9658, 10164, 10857, 11374, 12292, 14476, 14487, 17061, 18438, 19316, 20633, 21714, 22748, 28974, 33803, 34122, 36876, 39809, 41266, 43428, 53119, 57948, 61899, 67606, 68244, 79618, 82532, 101409, 106238, 119427, 123798, 135212, 144431, 159236, 159357, 202818, 212476, 226963, 238854, 247596, 288862, 318714, 371833, 405636, 433293, 453926, 477708, 577724, 637428, 680889, 743666, 866586, 907852, 1115499, 1361778, 1487332, 1588741, 1733172, 2230998, 2496593, 2723556, 3177482, 4461996, 4766223, 4993186, 6354964, 7489779, 9532446, 9986372, 14979558, 17476151, 19064892, 29959116, 34952302, 52428453, 69904604, 104856906, 209713812]

約数ペア:

[(1, 209713812), (2, 104856906), (3, 69904604), (4, 52428453), (6, 34952302), (7, 29959116), (11, 19064892), (12, 17476151), (14, 14979558), (21, 9986372), (22, 9532446), (28, 7489779), (33, 6354964), (42, 4993186), (44, 4766223), (47, 4461996), (66, 3177482), (77, 2723556), (84, 2496593), (94, 2230998), (121, 1733172), (132, 1588741), (141, 1487332), (154, 1361778), (188, 1115499), (231, 907852), (242, 866586), (282, 743666), (308, 680889), (329, 637428), (363, 577724), (439, 477708), (462, 453926), (484, 433293), (517, 405636), (564, 371833), (658, 318714), (726, 288862), (847, 247596), (878, 238854), (924, 226963), (987, 212476), (1034, 202818), (1316, 159357), (1317, 159236), (1452, 144431), (1551, 135212), (1694, 123798), (1756, 119427), (1974, 106238), (2068, 101409), (2541, 82532), (2634, 79618), (3073, 68244), (3102, 67606), (3388, 61899), (3619, 57948), (3948, 53119), (4829, 43428), (5082, 41266), (5268, 39809), (5687, 36876), (6146, 34122), (6204, 33803), (7238, 28974), (9219, 22748), (9658, 21714), (10164, 20633), (10857, 19316), (11374, 18438), (12292, 17061), (14476, 14487)]