47286380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^2\times {\mathrm{199}}^1$

素因数の和:426

約数の個数: 36

約数和(自身を含む): 100724400

約数和(自身を除く): 53438020

約数列:

[1, 2, 4, 5, 10, 20, 109, 199, 218, 398, 436, 545, 796, 995, 1090, 1990, 2180, 3980, 11881, 21691, 23762, 43382, 47524, 59405, 86764, 108455, 118810, 216910, 237620, 433820, 2364319, 4728638, 9457276, 11821595, 23643190, 47286380]

約数ペア:

[(1, 47286380), (2, 23643190), (4, 11821595), (5, 9457276), (10, 4728638), (20, 2364319), (109, 433820), (199, 237620), (218, 216910), (398, 118810), (436, 108455), (545, 86764), (796, 59405), (995, 47524), (1090, 43382), (1990, 23762), (2180, 21691), (3980, 11881)]