213776920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2903}}^1$

素因数の和:3184

約数の個数: 64

約数和(自身を含む): 551992320

約数和(自身を除く): 338215400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1315, 1841, 2104, 2630, 2903, 3682, 5260, 5806, 7364, 9205, 10520, 11612, 14515, 14728, 18410, 20321, 23224, 29030, 36820, 40642, 58060, 73640, 81284, 101605, 116120, 162568, 203210, 406420, 763489, 812840, 1526978, 3053956, 3817445, 5344423, 6107912, 7634890, 10688846, 15269780, 21377692, 26722115, 30539560, 42755384, 53444230, 106888460, 213776920]

約数ペア:

[(1, 213776920), (2, 106888460), (4, 53444230), (5, 42755384), (7, 30539560), (8, 26722115), (10, 21377692), (14, 15269780), (20, 10688846), (28, 7634890), (35, 6107912), (40, 5344423), (56, 3817445), (70, 3053956), (140, 1526978), (263, 812840), (280, 763489), (526, 406420), (1052, 203210), (1315, 162568), (1841, 116120), (2104, 101605), (2630, 81284), (2903, 73640), (3682, 58060), (5260, 40642), (5806, 36820), (7364, 29030), (9205, 23224), (10520, 20321), (11612, 18410), (14515, 14728)]