2007457460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1\times {\mathrm{2081}}^1$

素因数の和:2576

約数の個数: 48

約数和(自身を含む): 4260271680

約数和(自身を除く): 2252814220

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 347, 556, 694, 695, 1388, 1390, 1735, 2081, 2780, 3470, 4162, 6940, 8324, 10405, 20810, 41620, 48233, 96466, 192932, 241165, 289259, 482330, 578518, 722107, 964660, 1157036, 1444214, 1446295, 2888428, 2892590, 3610535, 5785180, 7221070, 14442140, 100372873, 200745746, 401491492, 501864365, 1003728730, 2007457460]

約数ペア:

[(1, 2007457460), (2, 1003728730), (4, 501864365), (5, 401491492), (10, 200745746), (20, 100372873), (139, 14442140), (278, 7221070), (347, 5785180), (556, 3610535), (694, 2892590), (695, 2888428), (1388, 1446295), (1390, 1444214), (1735, 1157036), (2081, 964660), (2780, 722107), (3470, 578518), (4162, 482330), (6940, 289259), (8324, 241165), (10405, 192932), (20810, 96466), (41620, 48233)]