71315440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{367}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 190559232

約数和(自身を除く): 119243792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 347, 367, 560, 694, 734, 1388, 1468, 1735, 1835, 2429, 2569, 2776, 2936, 3470, 3670, 4858, 5138, 5552, 5872, 6940, 7340, 9716, 10276, 12145, 12845, 13880, 14680, 19432, 20552, 24290, 25690, 27760, 29360, 38864, 41104, 48580, 51380, 97160, 102760, 127349, 194320, 205520, 254698, 509396, 636745, 891443, 1018792, 1273490, 1782886, 2037584, 2546980, 3565772, 4457215, 5093960, 7131544, 8914430, 10187920, 14263088, 17828860, 35657720, 71315440]

約数ペア:

[(1, 71315440), (2, 35657720), (4, 17828860), (5, 14263088), (7, 10187920), (8, 8914430), (10, 7131544), (14, 5093960), (16, 4457215), (20, 3565772), (28, 2546980), (35, 2037584), (40, 1782886), (56, 1273490), (70, 1018792), (80, 891443), (112, 636745), (140, 509396), (280, 254698), (347, 205520), (367, 194320), (560, 127349), (694, 102760), (734, 97160), (1388, 51380), (1468, 48580), (1735, 41104), (1835, 38864), (2429, 29360), (2569, 27760), (2776, 25690), (2936, 24290), (3470, 20552), (3670, 19432), (4858, 14680), (5138, 13880), (5552, 12845), (5872, 12145), (6940, 10276), (7340, 9716)]