143388520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{325883}}^1$

素因数の和:325905

約数の個数: 32

約数和(自身を含む): 351954720

約数和(自身を除く): 208566200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 325883, 651766, 1303532, 1629415, 2607064, 3258830, 3584713, 6517660, 7169426, 13035320, 14338852, 17923565, 28677704, 35847130, 71694260, 143388520]

約数ペア:

[(1, 143388520), (2, 71694260), (4, 35847130), (5, 28677704), (8, 17923565), (10, 14338852), (11, 13035320), (20, 7169426), (22, 6517660), (40, 3584713), (44, 3258830), (55, 2607064), (88, 1629415), (110, 1303532), (220, 651766), (440, 325883)]