8489740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8663}}^1$

素因数の和:8686

約数の個数: 36

約数和(自身を含む): 20741616

約数和(自身を除く): 12251876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8663, 17326, 34652, 43315, 60641, 86630, 121282, 173260, 242564, 303205, 424487, 606410, 848974, 1212820, 1697948, 2122435, 4244870, 8489740]

約数ペア:

[(1, 8489740), (2, 4244870), (4, 2122435), (5, 1697948), (7, 1212820), (10, 848974), (14, 606410), (20, 424487), (28, 303205), (35, 242564), (49, 173260), (70, 121282), (98, 86630), (140, 60641), (196, 43315), (245, 34652), (490, 17326), (980, 8663)]