855001510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 1705536000

約数和(自身を除く): 850534490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 199, 278, 281, 398, 562, 695, 995, 1390, 1405, 1529, 1990, 2189, 2810, 3058, 3091, 4378, 6182, 7645, 10945, 15290, 15455, 21890, 27661, 30910, 39059, 55322, 55919, 78118, 111838, 138305, 195295, 276610, 279595, 304271, 390590, 429649, 559190, 608542, 615109, 859298, 1230218, 1521355, 2148245, 3042710, 3075545, 4296490, 6151090, 7772741, 15545482, 38863705, 77727410, 85500151, 171000302, 427500755, 855001510]

約数ペア:

[(1, 855001510), (2, 427500755), (5, 171000302), (10, 85500151), (11, 77727410), (22, 38863705), (55, 15545482), (110, 7772741), (139, 6151090), (199, 4296490), (278, 3075545), (281, 3042710), (398, 2148245), (562, 1521355), (695, 1230218), (995, 859298), (1390, 615109), (1405, 608542), (1529, 559190), (1990, 429649), (2189, 390590), (2810, 304271), (3058, 279595), (3091, 276610), (4378, 195295), (6182, 138305), (7645, 111838), (10945, 78118), (15290, 55919), (15455, 55322), (21890, 39059), (27661, 30910)]