217061950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^2$

素因数の和:418

約数の個数: 72

約数和(自身を含む): 491124816

約数和(自身を除く): 274062866

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 191, 238, 350, 382, 425, 595, 850, 955, 1190, 1337, 1910, 2674, 2975, 3247, 4775, 5950, 6494, 6685, 9550, 13370, 16235, 22729, 32470, 33425, 36481, 45458, 66850, 72962, 81175, 113645, 162350, 182405, 227290, 255367, 364810, 510734, 568225, 620177, 912025, 1136450, 1240354, 1276835, 1824050, 2553670, 3100885, 4341239, 6201770, 6384175, 8682478, 12768350, 15504425, 21706195, 31008850, 43412390, 108530975, 217061950]

約数ペア:

[(1, 217061950), (2, 108530975), (5, 43412390), (7, 31008850), (10, 21706195), (14, 15504425), (17, 12768350), (25, 8682478), (34, 6384175), (35, 6201770), (50, 4341239), (70, 3100885), (85, 2553670), (119, 1824050), (170, 1276835), (175, 1240354), (191, 1136450), (238, 912025), (350, 620177), (382, 568225), (425, 510734), (595, 364810), (850, 255367), (955, 227290), (1190, 182405), (1337, 162350), (1910, 113645), (2674, 81175), (2975, 72962), (3247, 66850), (4775, 45458), (5950, 36481), (6494, 33425), (6685, 32470), (9550, 22729), (13370, 16235)]