280407652

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 568891008

約数和(自身を除く): 288483356

約数列:

[1, 2, 4, 7, 14, 28, 157, 227, 281, 314, 454, 562, 628, 908, 1099, 1124, 1589, 1967, 2198, 3178, 3934, 4396, 6356, 7868, 35639, 44117, 63787, 71278, 88234, 127574, 142556, 176468, 249473, 255148, 308819, 446509, 498946, 617638, 893018, 997892, 1235276, 1786036, 10014559, 20029118, 40058236, 70101913, 140203826, 280407652]

約数ペア:

[(1, 280407652), (2, 140203826), (4, 70101913), (7, 40058236), (14, 20029118), (28, 10014559), (157, 1786036), (227, 1235276), (281, 997892), (314, 893018), (454, 617638), (562, 498946), (628, 446509), (908, 308819), (1099, 255148), (1124, 249473), (1589, 176468), (1967, 142556), (2198, 127574), (3178, 88234), (3934, 71278), (4396, 63787), (6356, 44117), (7868, 35639)]