280147210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{30091}}^1$

素因数の和:30131

約数の個数: 48

約数和(自身を含む): 617487840

約数和(自身を除く): 337340630

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 9310, 30091, 60182, 150455, 210637, 300910, 421274, 571729, 1053185, 1143458, 1474459, 2106370, 2858645, 2948918, 4002103, 5717290, 7372295, 8004206, 14744590, 20010515, 28014721, 40021030, 56029442, 140073605, 280147210]

約数ペア:

[(1, 280147210), (2, 140073605), (5, 56029442), (7, 40021030), (10, 28014721), (14, 20010515), (19, 14744590), (35, 8004206), (38, 7372295), (49, 5717290), (70, 4002103), (95, 2948918), (98, 2858645), (133, 2106370), (190, 1474459), (245, 1143458), (266, 1053185), (490, 571729), (665, 421274), (931, 300910), (1330, 210637), (1862, 150455), (4655, 60182), (9310, 30091)]