280703238

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:869

約数の個数: 64

約数和(自身を含む): 607392000

約数和(自身を除く): 326688762

約数列:

[1, 2, 3, 6, 29, 37, 58, 59, 74, 87, 111, 118, 174, 177, 222, 354, 739, 1073, 1478, 1711, 2146, 2183, 2217, 3219, 3422, 4366, 4434, 5133, 6438, 6549, 10266, 13098, 21431, 27343, 42862, 43601, 54686, 63307, 64293, 82029, 87202, 126614, 128586, 130803, 164058, 189921, 261606, 379842, 792947, 1264429, 1585894, 1613237, 2378841, 2528858, 3226474, 3793287, 4757682, 4839711, 7586574, 9679422, 46783873, 93567746, 140351619, 280703238]

約数ペア:

[(1, 280703238), (2, 140351619), (3, 93567746), (6, 46783873), (29, 9679422), (37, 7586574), (58, 4839711), (59, 4757682), (74, 3793287), (87, 3226474), (111, 2528858), (118, 2378841), (174, 1613237), (177, 1585894), (222, 1264429), (354, 792947), (739, 379842), (1073, 261606), (1478, 189921), (1711, 164058), (2146, 130803), (2183, 128586), (2217, 126614), (3219, 87202), (3422, 82029), (4366, 64293), (4434, 63307), (5133, 54686), (6438, 43601), (6549, 42862), (10266, 27343), (13098, 21431)]