408045620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{3967}}^1$

素因数の和:4152

約数の個数: 48

約数和(自身を含む): 886609920

約数和(自身を除く): 478564300

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 278, 370, 556, 695, 740, 1390, 2780, 3967, 5143, 7934, 10286, 15868, 19835, 20572, 25715, 39670, 51430, 79340, 102860, 146779, 293558, 551413, 587116, 733895, 1102826, 1467790, 2205652, 2757065, 2935580, 5514130, 11028260, 20402281, 40804562, 81609124, 102011405, 204022810, 408045620]

約数ペア:

[(1, 408045620), (2, 204022810), (4, 102011405), (5, 81609124), (10, 40804562), (20, 20402281), (37, 11028260), (74, 5514130), (139, 2935580), (148, 2757065), (185, 2205652), (278, 1467790), (370, 1102826), (556, 733895), (695, 587116), (740, 551413), (1390, 293558), (2780, 146779), (3967, 102860), (5143, 79340), (7934, 51430), (10286, 39670), (15868, 25715), (19835, 20572)]