405426156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2895901121}}^1$

素因数の和:2895901137

約数の個数: 24

約数和(自身を含む): 973022776992

約数和(自身を除く): 567596620052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2895901121, 5791802242, 11583604484, 14479505605, 20271307847, 28959011210, 40542615694, 57918022420, 81085231388, 101356539235, 202713078470, 405426156940]

約数ペア:

[(1, 405426156940), (2, 202713078470), (4, 101356539235), (5, 81085231388), (7, 57918022420), (10, 40542615694), (14, 28959011210), (20, 20271307847), (28, 14479505605), (35, 11583604484), (70, 5791802242), (140, 2895901121)]