20198493700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{238471}}^1$

素因数の和:238514

約数の個数: 108

約数和(自身を含む): 55060323136

約数和(自身を除く): 34861829436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 121, 140, 154, 175, 220, 242, 275, 308, 350, 385, 484, 550, 605, 700, 770, 847, 1100, 1210, 1540, 1694, 1925, 2420, 3025, 3388, 3850, 4235, 6050, 7700, 8470, 12100, 16940, 21175, 42350, 84700, 238471, 476942, 953884, 1192355, 1669297, 2384710, 2623181, 3338594, 4769420, 5246362, 5961775, 6677188, 8346485, 10492724, 11923550, 13115905, 16692970, 18362267, 23847100, 26231810, 28854991, 33385940, 36724534, 41732425, 52463620, 57709982, 65579525, 73449068, 83464850, 91811335, 115419964, 131159050, 144274955, 166929700, 183622670, 201984937, 262318100, 288549910, 367245340, 403969874, 459056675, 577099820, 721374775, 807939748, 918113350, 1009924685, 1442749550, 1836226700, 2019849370, 2885499100, 4039698740, 5049623425, 10099246850, 20198493700]

約数ペア:

[(1, 20198493700), (2, 10099246850), (4, 5049623425), (5, 4039698740), (7, 2885499100), (10, 2019849370), (11, 1836226700), (14, 1442749550), (20, 1009924685), (22, 918113350), (25, 807939748), (28, 721374775), (35, 577099820), (44, 459056675), (50, 403969874), (55, 367245340), (70, 288549910), (77, 262318100), (100, 201984937), (110, 183622670), (121, 166929700), (140, 144274955), (154, 131159050), (175, 115419964), (220, 91811335), (242, 83464850), (275, 73449068), (308, 65579525), (350, 57709982), (385, 52463620), (484, 41732425), (550, 36724534), (605, 33385940), (700, 28854991), (770, 26231810), (847, 23847100), (1100, 18362267), (1210, 16692970), (1540, 13115905), (1694, 11923550), (1925, 10492724), (2420, 8346485), (3025, 6677188), (3388, 5961775), (3850, 5246362), (4235, 4769420), (6050, 3338594), (7700, 2623181), (8470, 2384710), (12100, 1669297), (16940, 1192355), (21175, 953884), (42350, 476942), (84700, 238471)]