126990140

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 271035072

約数和(自身を除く): 144044932

約数列:

[1, 2, 4, 5, 10, 20, 167, 193, 197, 334, 386, 394, 668, 772, 788, 835, 965, 985, 1670, 1930, 1970, 3340, 3860, 3940, 32231, 32899, 38021, 64462, 65798, 76042, 128924, 131596, 152084, 161155, 164495, 190105, 322310, 328990, 380210, 644620, 657980, 760420, 6349507, 12699014, 25398028, 31747535, 63495070, 126990140]

約数ペア:

[(1, 126990140), (2, 63495070), (4, 31747535), (5, 25398028), (10, 12699014), (20, 6349507), (167, 760420), (193, 657980), (197, 644620), (334, 380210), (386, 328990), (394, 322310), (668, 190105), (772, 164495), (788, 161155), (835, 152084), (965, 131596), (985, 128924), (1670, 76042), (1930, 65798), (1970, 64462), (3340, 38021), (3860, 32899), (3940, 32231)]