664010486540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1823303}}^1$

素因数の和:1823582

約数の個数: 48

約数和(自身を含む): 1415175632640

約数和(自身を除く): 751165146100

約数列:

[1, 2, 4, 5, 10, 20, 131, 139, 262, 278, 524, 556, 655, 695, 1310, 1390, 2620, 2780, 18209, 36418, 72836, 91045, 182090, 364180, 1823303, 3646606, 7293212, 9116515, 18233030, 36466060, 238852693, 253439117, 477705386, 506878234, 955410772, 1013756468, 1194263465, 1267195585, 2388526930, 2534391170, 4777053860, 5068782340, 33200524327, 66401048654, 132802097308, 166002621635, 332005243270, 664010486540]

約数ペア:

[(1, 664010486540), (2, 332005243270), (4, 166002621635), (5, 132802097308), (10, 66401048654), (20, 33200524327), (131, 5068782340), (139, 4777053860), (262, 2534391170), (278, 2388526930), (524, 1267195585), (556, 1194263465), (655, 1013756468), (695, 955410772), (1310, 506878234), (1390, 477705386), (2620, 253439117), (2780, 238852693), (18209, 36466060), (36418, 18233030), (72836, 9116515), (91045, 7293212), (182090, 3646606), (364180, 1823303)]