8947480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 21650400

約数和(自身を除く): 12702920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 193, 244, 305, 380, 386, 488, 610, 760, 772, 965, 1159, 1220, 1544, 1930, 2318, 2440, 3667, 3860, 4636, 5795, 7334, 7720, 9272, 11590, 11773, 14668, 18335, 23180, 23546, 29336, 36670, 46360, 47092, 58865, 73340, 94184, 117730, 146680, 223687, 235460, 447374, 470920, 894748, 1118435, 1789496, 2236870, 4473740, 8947480]

約数ペア:

[(1, 8947480), (2, 4473740), (4, 2236870), (5, 1789496), (8, 1118435), (10, 894748), (19, 470920), (20, 447374), (38, 235460), (40, 223687), (61, 146680), (76, 117730), (95, 94184), (122, 73340), (152, 58865), (190, 47092), (193, 46360), (244, 36670), (305, 29336), (380, 23546), (386, 23180), (488, 18335), (610, 14668), (760, 11773), (772, 11590), (965, 9272), (1159, 7720), (1220, 7334), (1544, 5795), (1930, 4636), (2318, 3860), (2440, 3667)]