71385580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13781}}^1$

素因数の和:13834

約数の個数: 48

約数和(自身を含む): 175968576

約数和(自身を除く): 104582996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 13781, 27562, 55124, 68905, 96467, 137810, 192934, 275620, 385868, 482335, 509897, 964670, 1019794, 1929340, 2039588, 2549485, 3569279, 5098970, 7138558, 10197940, 14277116, 17846395, 35692790, 71385580]

約数ペア:

[(1, 71385580), (2, 35692790), (4, 17846395), (5, 14277116), (7, 10197940), (10, 7138558), (14, 5098970), (20, 3569279), (28, 2549485), (35, 2039588), (37, 1929340), (70, 1019794), (74, 964670), (140, 509897), (148, 482335), (185, 385868), (259, 275620), (370, 192934), (518, 137810), (740, 96467), (1036, 68905), (1295, 55124), (2590, 27562), (5180, 13781)]