203450420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{1303}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 441211008

約数和(自身を除く): 237760588

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 211, 370, 422, 740, 844, 1055, 1303, 2110, 2606, 4220, 5212, 6515, 7807, 13030, 15614, 26060, 31228, 39035, 48211, 78070, 96422, 156140, 192844, 241055, 274933, 482110, 549866, 964220, 1099732, 1374665, 2749330, 5498660, 10172521, 20345042, 40690084, 50862605, 101725210, 203450420]

約数ペア:

[(1, 203450420), (2, 101725210), (4, 50862605), (5, 40690084), (10, 20345042), (20, 10172521), (37, 5498660), (74, 2749330), (148, 1374665), (185, 1099732), (211, 964220), (370, 549866), (422, 482110), (740, 274933), (844, 241055), (1055, 192844), (1303, 156140), (2110, 96422), (2606, 78070), (4220, 48211), (5212, 39035), (6515, 31228), (7807, 26060), (13030, 15614)]