57088220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1422

約数の個数: 48

約数和(自身を含む): 137484480

約数和(自身を除く): 80396260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 997, 1636, 1994, 2045, 2863, 3988, 4090, 4985, 5726, 6979, 8180, 9970, 11452, 13958, 14315, 19940, 27916, 28630, 34895, 57260, 69790, 139580, 407773, 815546, 1631092, 2038865, 2854411, 4077730, 5708822, 8155460, 11417644, 14272055, 28544110, 57088220]

約数ペア:

[(1, 57088220), (2, 28544110), (4, 14272055), (5, 11417644), (7, 8155460), (10, 5708822), (14, 4077730), (20, 2854411), (28, 2038865), (35, 1631092), (70, 815546), (140, 407773), (409, 139580), (818, 69790), (997, 57260), (1636, 34895), (1994, 28630), (2045, 27916), (2863, 19940), (3988, 14315), (4090, 13958), (4985, 11452), (5726, 9970), (6979, 8180)]