2017484540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{15671}}^1$

素因数の和:15878

約数の個数: 48

約数和(自身を含む): 4367974464

約数和(自身を除く): 2350489924

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 1570, 3140, 6437, 12874, 15671, 25748, 31342, 32185, 62684, 64370, 78355, 128740, 156710, 313420, 642511, 1285022, 2460347, 2570044, 3212555, 4920694, 6425110, 9841388, 12301735, 12850220, 24603470, 49206940, 100874227, 201748454, 403496908, 504371135, 1008742270, 2017484540]

約数ペア:

[(1, 2017484540), (2, 1008742270), (4, 504371135), (5, 403496908), (10, 201748454), (20, 100874227), (41, 49206940), (82, 24603470), (157, 12850220), (164, 12301735), (205, 9841388), (314, 6425110), (410, 4920694), (628, 3212555), (785, 2570044), (820, 2460347), (1570, 1285022), (3140, 642511), (6437, 313420), (12874, 156710), (15671, 128740), (25748, 78355), (31342, 64370), (32185, 62684)]