209631310

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{8731}}^1$

素因数の和:8766

約数の個数: 40

約数和(自身を含む): 440249976

約数和(自身を除く): 230618666

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 2401, 3430, 4802, 8731, 12005, 17462, 24010, 43655, 61117, 87310, 122234, 305585, 427819, 611170, 855638, 2139095, 2994733, 4278190, 5989466, 14973665, 20963131, 29947330, 41926262, 104815655, 209631310]

約数ペア:

[(1, 209631310), (2, 104815655), (5, 41926262), (7, 29947330), (10, 20963131), (14, 14973665), (35, 5989466), (49, 4278190), (70, 2994733), (98, 2139095), (245, 855638), (343, 611170), (490, 427819), (686, 305585), (1715, 122234), (2401, 87310), (3430, 61117), (4802, 43655), (8731, 24010), (12005, 17462)]