210384979

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 275788800

約数和(自身を除く): 65403821

約数列:

[1, 7, 17, 23, 49, 79, 119, 139, 161, 391, 553, 833, 973, 1127, 1343, 1817, 2363, 2737, 3197, 3871, 6811, 9401, 10981, 12719, 16541, 19159, 22379, 30889, 54349, 65807, 76867, 89033, 115787, 156653, 186677, 216223, 252563, 380443, 538069, 1306739, 1513561, 1767941, 2663101, 4293571, 9147173, 12375587, 30054997, 210384979]

約数ペア:

[(1, 210384979), (7, 30054997), (17, 12375587), (23, 9147173), (49, 4293571), (79, 2663101), (119, 1767941), (139, 1513561), (161, 1306739), (391, 538069), (553, 380443), (833, 252563), (973, 216223), (1127, 186677), (1343, 156653), (1817, 115787), (2363, 89033), (2737, 76867), (3197, 65807), (3871, 54349), (6811, 30889), (9401, 22379), (10981, 19159), (12719, 16541)]