319728544

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 72

約数和(自身を含む): 670382244

約数和(自身を除く): 350653700

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 124, 148, 248, 281, 296, 496, 562, 592, 961, 992, 1124, 1147, 1184, 1922, 2248, 2294, 3844, 4496, 4588, 7688, 8711, 8992, 9176, 10397, 15376, 17422, 18352, 20794, 30752, 34844, 35557, 36704, 41588, 69688, 71114, 83176, 139376, 142228, 166352, 270041, 278752, 284456, 322307, 332704, 540082, 568912, 644614, 1080164, 1137824, 1289228, 2160328, 2578456, 4320656, 5156912, 8641312, 9991517, 10313824, 19983034, 39966068, 79932136, 159864272, 319728544]

約数ペア:

[(1, 319728544), (2, 159864272), (4, 79932136), (8, 39966068), (16, 19983034), (31, 10313824), (32, 9991517), (37, 8641312), (62, 5156912), (74, 4320656), (124, 2578456), (148, 2160328), (248, 1289228), (281, 1137824), (296, 1080164), (496, 644614), (562, 568912), (592, 540082), (961, 332704), (992, 322307), (1124, 284456), (1147, 278752), (1184, 270041), (1922, 166352), (2248, 142228), (2294, 139376), (3844, 83176), (4496, 71114), (4588, 69688), (7688, 41588), (8711, 36704), (8992, 35557), (9176, 34844), (10397, 30752), (15376, 20794), (17422, 18352)]