138536440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2053}}^1$

素因数の和:2312

約数の個数: 64

約数和(自身を含む): 357888960

約数和(自身を除く): 219352520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1687, 1928, 2053, 2410, 3374, 4106, 4820, 6748, 8212, 8435, 9640, 10265, 13496, 14371, 16424, 16870, 20530, 28742, 33740, 41060, 57484, 67480, 71855, 82120, 114968, 143710, 287420, 494773, 574840, 989546, 1979092, 2473865, 3463411, 3958184, 4947730, 6926822, 9895460, 13853644, 17317055, 19790920, 27707288, 34634110, 69268220, 138536440]

約数ペア:

[(1, 138536440), (2, 69268220), (4, 34634110), (5, 27707288), (7, 19790920), (8, 17317055), (10, 13853644), (14, 9895460), (20, 6926822), (28, 4947730), (35, 3958184), (40, 3463411), (56, 2473865), (70, 1979092), (140, 989546), (241, 574840), (280, 494773), (482, 287420), (964, 143710), (1205, 114968), (1687, 82120), (1928, 71855), (2053, 67480), (2410, 57484), (3374, 41060), (4106, 33740), (4820, 28742), (6748, 20530), (8212, 16870), (8435, 16424), (9640, 14371), (10265, 13496)]