320425988

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 601700400

約数和(自身を除く): 281274412

約数列:

[1, 2, 4, 29, 41, 58, 82, 89, 116, 164, 178, 356, 757, 1189, 1514, 2378, 2581, 3028, 3649, 4756, 5162, 7298, 10324, 14596, 21953, 31037, 43906, 62074, 67373, 87812, 105821, 124148, 134746, 211642, 269492, 423284, 900073, 1800146, 1953817, 2762293, 3600292, 3907634, 5524586, 7815268, 11049172, 80106497, 160212994, 320425988]

約数ペア:

[(1, 320425988), (2, 160212994), (4, 80106497), (29, 11049172), (41, 7815268), (58, 5524586), (82, 3907634), (89, 3600292), (116, 2762293), (164, 1953817), (178, 1800146), (356, 900073), (757, 423284), (1189, 269492), (1514, 211642), (2378, 134746), (2581, 124148), (3028, 105821), (3649, 87812), (4756, 67373), (5162, 62074), (7298, 43906), (10324, 31037), (14596, 21953)]