280304208

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:493

約数の個数: 120

約数和(自身を含む): 811026216

約数和(自身を除く): 530722008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 164, 197, 241, 246, 328, 369, 394, 482, 492, 591, 656, 723, 738, 788, 964, 984, 1182, 1446, 1476, 1576, 1773, 1928, 1968, 2169, 2364, 2892, 2952, 3152, 3546, 3856, 4338, 4728, 5784, 5904, 7092, 8077, 8676, 9456, 9881, 11568, 14184, 16154, 17352, 19762, 24231, 28368, 29643, 32308, 34704, 39524, 47477, 48462, 59286, 64616, 72693, 79048, 88929, 94954, 96924, 118572, 129232, 142431, 145386, 158096, 177858, 189908, 193848, 237144, 284862, 290772, 355716, 379816, 387696, 427293, 474288, 569724, 581544, 711432, 759632, 854586, 1139448, 1163088, 1422864, 1709172, 1946557, 2278896, 3418344, 3893114, 5839671, 6836688, 7786228, 11679342, 15572456, 17519013, 23358684, 31144912, 35038026, 46717368, 70076052, 93434736, 140152104, 280304208]

約数ペア:

[(1, 280304208), (2, 140152104), (3, 93434736), (4, 70076052), (6, 46717368), (8, 35038026), (9, 31144912), (12, 23358684), (16, 17519013), (18, 15572456), (24, 11679342), (36, 7786228), (41, 6836688), (48, 5839671), (72, 3893114), (82, 3418344), (123, 2278896), (144, 1946557), (164, 1709172), (197, 1422864), (241, 1163088), (246, 1139448), (328, 854586), (369, 759632), (394, 711432), (482, 581544), (492, 569724), (591, 474288), (656, 427293), (723, 387696), (738, 379816), (788, 355716), (964, 290772), (984, 284862), (1182, 237144), (1446, 193848), (1476, 189908), (1576, 177858), (1773, 158096), (1928, 145386), (1968, 142431), (2169, 129232), (2364, 118572), (2892, 96924), (2952, 94954), (3152, 88929), (3546, 79048), (3856, 72693), (4338, 64616), (4728, 59286), (5784, 48462), (5904, 47477), (7092, 39524), (8077, 34704), (8676, 32308), (9456, 29643), (9881, 28368), (11568, 24231), (14184, 19762), (16154, 17352)]