193147780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{18899}}^1$

素因数の和:18988

約数の個数: 48

約数和(自身を含む): 469929600

約数和(自身を除く): 276781820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 18899, 37798, 75596, 94495, 132293, 188990, 264586, 377980, 529172, 661465, 1322930, 1379627, 2645860, 2759254, 5518508, 6898135, 9657389, 13796270, 19314778, 27592540, 38629556, 48286945, 96573890, 193147780]

約数ペア:

[(1, 193147780), (2, 96573890), (4, 48286945), (5, 38629556), (7, 27592540), (10, 19314778), (14, 13796270), (20, 9657389), (28, 6898135), (35, 5518508), (70, 2759254), (73, 2645860), (140, 1379627), (146, 1322930), (292, 661465), (365, 529172), (511, 377980), (730, 264586), (1022, 188990), (1460, 132293), (2044, 94495), (2555, 75596), (5110, 37798), (10220, 18899)]