681241220900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4621}}^1\times {\mathrm{77591}}^1$

素因数の和:82245

約数の個数: 72

約数和(自身を含む): 1556455172160

約数和(自身を除く): 875213951260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 4621, 9242, 18484, 23105, 46210, 77591, 87799, 92420, 115525, 155182, 175598, 231050, 310364, 351196, 387955, 438995, 462100, 775910, 877990, 1474229, 1551820, 1755980, 1939775, 2194975, 2948458, 3879550, 4389950, 5896916, 7371145, 7759100, 8779900, 14742290, 29484580, 36855725, 73711450, 147422900, 358548011, 717096022, 1434192044, 1792740055, 3585480110, 6812412209, 7170960220, 8963700275, 13624824418, 17927400550, 27249648836, 34062061045, 35854801100, 68124122090, 136248244180, 170310305225, 340620610450, 681241220900]

約数ペア:

[(1, 681241220900), (2, 340620610450), (4, 170310305225), (5, 136248244180), (10, 68124122090), (19, 35854801100), (20, 34062061045), (25, 27249648836), (38, 17927400550), (50, 13624824418), (76, 8963700275), (95, 7170960220), (100, 6812412209), (190, 3585480110), (380, 1792740055), (475, 1434192044), (950, 717096022), (1900, 358548011), (4621, 147422900), (9242, 73711450), (18484, 36855725), (23105, 29484580), (46210, 14742290), (77591, 8779900), (87799, 7759100), (92420, 7371145), (115525, 5896916), (155182, 4389950), (175598, 3879550), (231050, 2948458), (310364, 2194975), (351196, 1939775), (387955, 1755980), (438995, 1551820), (462100, 1474229), (775910, 877990)]