201990208

素因数分解:

$2^6\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:300

約数の個数: 112

約数和(自身を含む): 479291904

約数和(自身を除く): 277301696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 53, 56, 64, 94, 106, 112, 181, 188, 212, 224, 329, 362, 371, 376, 424, 448, 658, 724, 742, 752, 848, 1267, 1316, 1448, 1484, 1504, 1696, 2491, 2534, 2632, 2896, 2968, 3008, 3392, 4982, 5068, 5264, 5792, 5936, 8507, 9593, 9964, 10136, 10528, 11584, 11872, 17014, 17437, 19186, 19928, 20272, 21056, 23744, 34028, 34874, 38372, 39856, 40544, 59549, 67151, 68056, 69748, 76744, 79712, 81088, 119098, 134302, 136112, 139496, 153488, 159424, 238196, 268604, 272224, 278992, 306976, 450871, 476392, 537208, 544448, 557984, 613952, 901742, 952784, 1074416, 1115968, 1803484, 1905568, 2148832, 3156097, 3606968, 3811136, 4297664, 6312194, 7213936, 12624388, 14427872, 25248776, 28855744, 50497552, 100995104, 201990208]

約数ペア:

[(1, 201990208), (2, 100995104), (4, 50497552), (7, 28855744), (8, 25248776), (14, 14427872), (16, 12624388), (28, 7213936), (32, 6312194), (47, 4297664), (53, 3811136), (56, 3606968), (64, 3156097), (94, 2148832), (106, 1905568), (112, 1803484), (181, 1115968), (188, 1074416), (212, 952784), (224, 901742), (329, 613952), (362, 557984), (371, 544448), (376, 537208), (424, 476392), (448, 450871), (658, 306976), (724, 278992), (742, 272224), (752, 268604), (848, 238196), (1267, 159424), (1316, 153488), (1448, 139496), (1484, 136112), (1504, 134302), (1696, 119098), (2491, 81088), (2534, 79712), (2632, 76744), (2896, 69748), (2968, 68056), (3008, 67151), (3392, 59549), (4982, 40544), (5068, 39856), (5264, 38372), (5792, 34874), (5936, 34028), (8507, 23744), (9593, 21056), (9964, 20272), (10136, 19928), (10528, 19186), (11584, 17437), (11872, 17014)]