210379640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{169661}}^1$

素因数の和:169703

約数の個数: 32

約数和(自身を含む): 488626560

約数和(自身を除く): 278246920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 169661, 339322, 678644, 848305, 1357288, 1696610, 3393220, 5259491, 6786440, 10518982, 21037964, 26297455, 42075928, 52594910, 105189820, 210379640]

約数ペア:

[(1, 210379640), (2, 105189820), (4, 52594910), (5, 42075928), (8, 26297455), (10, 21037964), (20, 10518982), (31, 6786440), (40, 5259491), (62, 3393220), (124, 1696610), (155, 1357288), (248, 848305), (310, 678644), (620, 339322), (1240, 169661)]