214908440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 500428800

約数和(自身を除く): 285520360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 376, 395, 470, 632, 790, 940, 1447, 1580, 1880, 2894, 3160, 3713, 5788, 7235, 7426, 11576, 14470, 14852, 18565, 28940, 29704, 37130, 57880, 68009, 74260, 114313, 136018, 148520, 228626, 272036, 340045, 457252, 544072, 571565, 680090, 914504, 1143130, 1360180, 2286260, 2720360, 4572520, 5372711, 10745422, 21490844, 26863555, 42981688, 53727110, 107454220, 214908440]

約数ペア:

[(1, 214908440), (2, 107454220), (4, 53727110), (5, 42981688), (8, 26863555), (10, 21490844), (20, 10745422), (40, 5372711), (47, 4572520), (79, 2720360), (94, 2286260), (158, 1360180), (188, 1143130), (235, 914504), (316, 680090), (376, 571565), (395, 544072), (470, 457252), (632, 340045), (790, 272036), (940, 228626), (1447, 148520), (1580, 136018), (1880, 114313), (2894, 74260), (3160, 68009), (3713, 57880), (5788, 37130), (7235, 29704), (7426, 28940), (11576, 18565), (14470, 14852)]