181362020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2053}}^1$

素因数の和:2700

約数の個数: 48

約数和(自身を含む): 436171008

約数和(自身を除く): 254808988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 631, 1262, 2053, 2524, 3155, 4106, 4417, 6310, 8212, 8834, 10265, 12620, 14371, 17668, 20530, 22085, 28742, 41060, 44170, 57484, 71855, 88340, 143710, 287420, 1295443, 2590886, 5181772, 6477215, 9068101, 12954430, 18136202, 25908860, 36272404, 45340505, 90681010, 181362020]

約数ペア:

[(1, 181362020), (2, 90681010), (4, 45340505), (5, 36272404), (7, 25908860), (10, 18136202), (14, 12954430), (20, 9068101), (28, 6477215), (35, 5181772), (70, 2590886), (140, 1295443), (631, 287420), (1262, 143710), (2053, 88340), (2524, 71855), (3155, 57484), (4106, 44170), (4417, 41060), (6310, 28742), (8212, 22085), (8834, 20530), (10265, 17668), (12620, 14371)]