6919420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 15523200

約数和(自身を除く): 8603780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 139, 190, 262, 278, 380, 524, 556, 655, 695, 1310, 1390, 2489, 2620, 2641, 2780, 4978, 5282, 9956, 10564, 12445, 13205, 18209, 24890, 26410, 36418, 49780, 52820, 72836, 91045, 182090, 345971, 364180, 691942, 1383884, 1729855, 3459710, 6919420]

約数ペア:

[(1, 6919420), (2, 3459710), (4, 1729855), (5, 1383884), (10, 691942), (19, 364180), (20, 345971), (38, 182090), (76, 91045), (95, 72836), (131, 52820), (139, 49780), (190, 36418), (262, 26410), (278, 24890), (380, 18209), (524, 13205), (556, 12445), (655, 10564), (695, 9956), (1310, 5282), (1390, 4978), (2489, 2780), (2620, 2641)]