140393020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 303535008

約数和(自身を除く): 163141988

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 313, 410, 547, 626, 820, 1094, 1252, 1565, 2188, 2735, 3130, 5470, 6260, 10940, 12833, 22427, 25666, 44854, 51332, 64165, 89708, 112135, 128330, 171211, 224270, 256660, 342422, 448540, 684844, 856055, 1712110, 3424220, 7019651, 14039302, 28078604, 35098255, 70196510, 140393020]

約数ペア:

[(1, 140393020), (2, 70196510), (4, 35098255), (5, 28078604), (10, 14039302), (20, 7019651), (41, 3424220), (82, 1712110), (164, 856055), (205, 684844), (313, 448540), (410, 342422), (547, 256660), (626, 224270), (820, 171211), (1094, 128330), (1252, 112135), (1565, 89708), (2188, 64165), (2735, 51332), (3130, 44854), (5470, 25666), (6260, 22427), (10940, 12833)]