205977328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 444614400

約数和(自身を除く): 238637072

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 89, 92, 152, 178, 184, 304, 331, 356, 368, 437, 662, 712, 874, 1324, 1424, 1691, 1748, 2047, 2648, 3382, 3496, 4094, 5296, 6289, 6764, 6992, 7613, 8188, 12578, 13528, 15226, 16376, 25156, 27056, 29459, 30452, 32752, 38893, 50312, 58918, 60904, 77786, 100624, 117836, 121808, 144647, 155572, 235672, 289294, 311144, 471344, 559721, 578588, 622288, 677557, 1119442, 1157176, 1355114, 2238884, 2314352, 2710228, 4477768, 5420456, 8955536, 10840912, 12873583, 25747166, 51494332, 102988664, 205977328]

約数ペア:

[(1, 205977328), (2, 102988664), (4, 51494332), (8, 25747166), (16, 12873583), (19, 10840912), (23, 8955536), (38, 5420456), (46, 4477768), (76, 2710228), (89, 2314352), (92, 2238884), (152, 1355114), (178, 1157176), (184, 1119442), (304, 677557), (331, 622288), (356, 578588), (368, 559721), (437, 471344), (662, 311144), (712, 289294), (874, 235672), (1324, 155572), (1424, 144647), (1691, 121808), (1748, 117836), (2047, 100624), (2648, 77786), (3382, 60904), (3496, 58918), (4094, 50312), (5296, 38893), (6289, 32752), (6764, 30452), (6992, 29459), (7613, 27056), (8188, 25156), (12578, 16376), (13528, 15226)]