189560420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2887}}^1$

素因数の和:2977

約数の個数: 72

約数和(自身を含む): 470143296

約数和(自身を除く): 280582876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1340, 1876, 2345, 2887, 3283, 4690, 5774, 6566, 9380, 11548, 13132, 14435, 16415, 20209, 28870, 32830, 40418, 57740, 65660, 80836, 101045, 141463, 193429, 202090, 282926, 386858, 404180, 565852, 707315, 773716, 967145, 1354003, 1414630, 1934290, 2708006, 2829260, 3868580, 5416012, 6770015, 9478021, 13540030, 18956042, 27080060, 37912084, 47390105, 94780210, 189560420]

約数ペア:

[(1, 189560420), (2, 94780210), (4, 47390105), (5, 37912084), (7, 27080060), (10, 18956042), (14, 13540030), (20, 9478021), (28, 6770015), (35, 5416012), (49, 3868580), (67, 2829260), (70, 2708006), (98, 1934290), (134, 1414630), (140, 1354003), (196, 967145), (245, 773716), (268, 707315), (335, 565852), (469, 404180), (490, 386858), (670, 282926), (938, 202090), (980, 193429), (1340, 141463), (1876, 101045), (2345, 80836), (2887, 65660), (3283, 57740), (4690, 40418), (5774, 32830), (6566, 28870), (9380, 20209), (11548, 16415), (13132, 14435)]