211034840

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{12241}}^1$

素因数の和:12683

約数の個数: 32

約数和(自身を含む): 475968960

約数和(自身を除く): 264934120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 12241, 17240, 24482, 48964, 61205, 97928, 122410, 244820, 489640, 5275871, 10551742, 21103484, 26379355, 42206968, 52758710, 105517420, 211034840]

約数ペア:

[(1, 211034840), (2, 105517420), (4, 52758710), (5, 42206968), (8, 26379355), (10, 21103484), (20, 10551742), (40, 5275871), (431, 489640), (862, 244820), (1724, 122410), (2155, 97928), (3448, 61205), (4310, 48964), (8620, 24482), (12241, 17240)]