28873040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1097}}^1$

素因数の和:1164

約数の個数: 80

約数和(自身を含む): 78423552

約数和(自身を除く): 49550512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1097, 1316, 1645, 1880, 2194, 2632, 3290, 3760, 4388, 5264, 5485, 6580, 7679, 8776, 10970, 13160, 15358, 17552, 21940, 26320, 30716, 38395, 43880, 51559, 61432, 76790, 87760, 103118, 122864, 153580, 206236, 257795, 307160, 360913, 412472, 515590, 614320, 721826, 824944, 1031180, 1443652, 1804565, 2062360, 2887304, 3609130, 4124720, 5774608, 7218260, 14436520, 28873040]

約数ペア:

[(1, 28873040), (2, 14436520), (4, 7218260), (5, 5774608), (7, 4124720), (8, 3609130), (10, 2887304), (14, 2062360), (16, 1804565), (20, 1443652), (28, 1031180), (35, 824944), (40, 721826), (47, 614320), (56, 515590), (70, 412472), (80, 360913), (94, 307160), (112, 257795), (140, 206236), (188, 153580), (235, 122864), (280, 103118), (329, 87760), (376, 76790), (470, 61432), (560, 51559), (658, 43880), (752, 38395), (940, 30716), (1097, 26320), (1316, 21940), (1645, 17552), (1880, 15358), (2194, 13160), (2632, 10970), (3290, 8776), (3760, 7679), (4388, 6580), (5264, 5485)]