8456420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8629}}^1$

素因数の和:8652

約数の個数: 36

約数和(自身を含む): 20660220

約数和(自身を除く): 12203800

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8629, 17258, 34516, 43145, 60403, 86290, 120806, 172580, 241612, 302015, 422821, 604030, 845642, 1208060, 1691284, 2114105, 4228210, 8456420]

約数ペア:

[(1, 8456420), (2, 4228210), (4, 2114105), (5, 1691284), (7, 1208060), (10, 845642), (14, 604030), (20, 422821), (28, 302015), (35, 241612), (49, 172580), (70, 120806), (98, 86290), (140, 60403), (196, 43145), (245, 34516), (490, 17258), (980, 8629)]