8968540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 22750560

約数和(自身を除く): 13782020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 47, 58, 70, 94, 116, 140, 145, 188, 203, 235, 290, 329, 406, 470, 580, 658, 812, 940, 1015, 1316, 1363, 1645, 2030, 2209, 2726, 3290, 4060, 4418, 5452, 6580, 6815, 8836, 9541, 11045, 13630, 15463, 19082, 22090, 27260, 30926, 38164, 44180, 47705, 61852, 64061, 77315, 95410, 128122, 154630, 190820, 256244, 309260, 320305, 448427, 640610, 896854, 1281220, 1793708, 2242135, 4484270, 8968540]

約数ペア:

[(1, 8968540), (2, 4484270), (4, 2242135), (5, 1793708), (7, 1281220), (10, 896854), (14, 640610), (20, 448427), (28, 320305), (29, 309260), (35, 256244), (47, 190820), (58, 154630), (70, 128122), (94, 95410), (116, 77315), (140, 64061), (145, 61852), (188, 47705), (203, 44180), (235, 38164), (290, 30926), (329, 27260), (406, 22090), (470, 19082), (580, 15463), (658, 13630), (812, 11045), (940, 9541), (1015, 8836), (1316, 6815), (1363, 6580), (1645, 5452), (2030, 4418), (2209, 4060), (2726, 3290)]