420860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1913}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 964656

約数和(自身を除く): 543796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1913, 3826, 7652, 9565, 19130, 21043, 38260, 42086, 84172, 105215, 210430, 420860]

約数ペア:

[(1, 420860), (2, 210430), (4, 105215), (5, 84172), (10, 42086), (11, 38260), (20, 21043), (22, 19130), (44, 9565), (55, 7652), (110, 3826), (220, 1913)]