42406420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{302903}}^1$

素因数の和:302919

約数の個数: 24

約数和(自身を含む): 101775744

約数和(自身を除く): 59369324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 302903, 605806, 1211612, 1514515, 2120321, 3029030, 4240642, 6058060, 8481284, 10601605, 21203210, 42406420]

約数ペア:

[(1, 42406420), (2, 21203210), (4, 10601605), (5, 8481284), (7, 6058060), (10, 4240642), (14, 3029030), (20, 2120321), (28, 1514515), (35, 1211612), (70, 605806), (140, 302903)]