197951180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2767}}^1$

素因数の和:2863

約数の個数: 72

約数和(自身を含む): 490367808

約数和(自身を除く): 292416628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2555, 2767, 3577, 5110, 5534, 7154, 10220, 11068, 13835, 14308, 17885, 19369, 27670, 35770, 38738, 55340, 71540, 77476, 96845, 135583, 193690, 201991, 271166, 387380, 403982, 542332, 677915, 807964, 1009955, 1355830, 1413937, 2019910, 2711660, 2827874, 4039820, 5655748, 7069685, 9897559, 14139370, 19795118, 28278740, 39590236, 49487795, 98975590, 197951180]

約数ペア:

[(1, 197951180), (2, 98975590), (4, 49487795), (5, 39590236), (7, 28278740), (10, 19795118), (14, 14139370), (20, 9897559), (28, 7069685), (35, 5655748), (49, 4039820), (70, 2827874), (73, 2711660), (98, 2019910), (140, 1413937), (146, 1355830), (196, 1009955), (245, 807964), (292, 677915), (365, 542332), (490, 403982), (511, 387380), (730, 271166), (980, 201991), (1022, 193690), (1460, 135583), (2044, 96845), (2555, 77476), (2767, 71540), (3577, 55340), (5110, 38738), (5534, 35770), (7154, 27670), (10220, 19369), (11068, 17885), (13835, 14308)]