738542020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{19163}}^1$

素因数の和:19260

約数の個数: 48

約数和(自身を含む): 1622654208

約数和(自身を除く): 884112188

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 820, 940, 1927, 3854, 7708, 9635, 19163, 19270, 38326, 38540, 76652, 95815, 191630, 383260, 785683, 900661, 1571366, 1801322, 3142732, 3602644, 3928415, 4503305, 7856830, 9006610, 15713660, 18013220, 36927101, 73854202, 147708404, 184635505, 369271010, 738542020]

約数ペア:

[(1, 738542020), (2, 369271010), (4, 184635505), (5, 147708404), (10, 73854202), (20, 36927101), (41, 18013220), (47, 15713660), (82, 9006610), (94, 7856830), (164, 4503305), (188, 3928415), (205, 3602644), (235, 3142732), (410, 1801322), (470, 1571366), (820, 900661), (940, 785683), (1927, 383260), (3854, 191630), (7708, 95815), (9635, 76652), (19163, 38540), (19270, 38326)]