143721020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{3221}}^1$

素因数の和:3350

約数の個数: 48

約数和(自身を含む): 318282048

約数和(自身を除く): 174561028

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1940, 2231, 3221, 4462, 6442, 8924, 11155, 12884, 16105, 22310, 32210, 44620, 64420, 74083, 148166, 296332, 312437, 370415, 624874, 740830, 1249748, 1481660, 1562185, 3124370, 6248740, 7186051, 14372102, 28744204, 35930255, 71860510, 143721020]

約数ペア:

[(1, 143721020), (2, 71860510), (4, 35930255), (5, 28744204), (10, 14372102), (20, 7186051), (23, 6248740), (46, 3124370), (92, 1562185), (97, 1481660), (115, 1249748), (194, 740830), (230, 624874), (388, 370415), (460, 312437), (485, 296332), (970, 148166), (1940, 74083), (2231, 64420), (3221, 44620), (4462, 32210), (6442, 22310), (8924, 16105), (11155, 12884)]