2821420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2879}}^1$

素因数の和:2902

約数の個数: 36

約数和(自身を含む): 6894720

約数和(自身を除く): 4073300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2879, 5758, 11516, 14395, 20153, 28790, 40306, 57580, 80612, 100765, 141071, 201530, 282142, 403060, 564284, 705355, 1410710, 2821420]

約数ペア:

[(1, 2821420), (2, 1410710), (4, 705355), (5, 564284), (7, 403060), (10, 282142), (14, 201530), (20, 141071), (28, 100765), (35, 80612), (49, 57580), (70, 40306), (98, 28790), (140, 20153), (196, 14395), (245, 11516), (490, 5758), (980, 2879)]