1034880020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{1949}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 2201472000

約数和(自身を除く): 1166591980

約数列:

[1, 2, 4, 5, 10, 20, 139, 191, 278, 382, 556, 695, 764, 955, 1390, 1910, 1949, 2780, 3820, 3898, 7796, 9745, 19490, 26549, 38980, 53098, 106196, 132745, 265490, 270911, 372259, 530980, 541822, 744518, 1083644, 1354555, 1489036, 1861295, 2709110, 3722590, 5418220, 7445180, 51744001, 103488002, 206976004, 258720005, 517440010, 1034880020]

約数ペア:

[(1, 1034880020), (2, 517440010), (4, 258720005), (5, 206976004), (10, 103488002), (20, 51744001), (139, 7445180), (191, 5418220), (278, 3722590), (382, 2709110), (556, 1861295), (695, 1489036), (764, 1354555), (955, 1083644), (1390, 744518), (1910, 541822), (1949, 530980), (2780, 372259), (3820, 270911), (3898, 265490), (7796, 132745), (9745, 106196), (19490, 53098), (26549, 38980)]