87387020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1097}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 210288960

約数和(自身を除く): 122901940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 1097, 1138, 2194, 2276, 2845, 3983, 4388, 5485, 5690, 7679, 7966, 10970, 11380, 15358, 15932, 19915, 21940, 30716, 38395, 39830, 76790, 79660, 153580, 624193, 1248386, 2496772, 3120965, 4369351, 6241930, 8738702, 12483860, 17477404, 21846755, 43693510, 87387020]

約数ペア:

[(1, 87387020), (2, 43693510), (4, 21846755), (5, 17477404), (7, 12483860), (10, 8738702), (14, 6241930), (20, 4369351), (28, 3120965), (35, 2496772), (70, 1248386), (140, 624193), (569, 153580), (1097, 79660), (1138, 76790), (2194, 39830), (2276, 38395), (2845, 30716), (3983, 21940), (4388, 19915), (5485, 15932), (5690, 15358), (7679, 11380), (7966, 10970)]