785493740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{2903}}^1$

素因数の和:3158

約数の個数: 48

約数和(自身を含む): 1680231168

約数和(自身を除く): 894737428

約数列:

[1, 2, 4, 5, 10, 20, 83, 163, 166, 326, 332, 415, 652, 815, 830, 1630, 1660, 2903, 3260, 5806, 11612, 13529, 14515, 27058, 29030, 54116, 58060, 67645, 135290, 240949, 270580, 473189, 481898, 946378, 963796, 1204745, 1892756, 2365945, 2409490, 4731890, 4818980, 9463780, 39274687, 78549374, 157098748, 196373435, 392746870, 785493740]

約数ペア:

[(1, 785493740), (2, 392746870), (4, 196373435), (5, 157098748), (10, 78549374), (20, 39274687), (83, 9463780), (163, 4818980), (166, 4731890), (326, 2409490), (332, 2365945), (415, 1892756), (652, 1204745), (815, 963796), (830, 946378), (1630, 481898), (1660, 473189), (2903, 270580), (3260, 240949), (5806, 135290), (11612, 67645), (13529, 58060), (14515, 54116), (27058, 29030)]