145562420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{20161}}^1$

素因数の和:20208

約数の個数: 36

約数和(自身を含む): 322632324

約数和(自身を除く): 177069904

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 20161, 40322, 80644, 100805, 201610, 383059, 403220, 766118, 1532236, 1915295, 3830590, 7278121, 7661180, 14556242, 29112484, 36390605, 72781210, 145562420]

約数ペア:

[(1, 145562420), (2, 72781210), (4, 36390605), (5, 29112484), (10, 14556242), (19, 7661180), (20, 7278121), (38, 3830590), (76, 1915295), (95, 1532236), (190, 766118), (361, 403220), (380, 383059), (722, 201610), (1444, 100805), (1805, 80644), (3610, 40322), (7220, 20161)]