153604840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 352622160

約数和(自身を除く): 199017320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 193, 197, 202, 386, 394, 404, 505, 772, 788, 808, 965, 985, 1010, 1544, 1576, 1930, 1970, 2020, 3860, 3940, 4040, 7720, 7880, 19493, 19897, 38021, 38986, 39794, 76042, 77972, 79588, 97465, 99485, 152084, 155944, 159176, 190105, 194930, 198970, 304168, 380210, 389860, 397940, 760420, 779720, 795880, 1520840, 3840121, 7680242, 15360484, 19200605, 30720968, 38401210, 76802420, 153604840]

約数ペア:

[(1, 153604840), (2, 76802420), (4, 38401210), (5, 30720968), (8, 19200605), (10, 15360484), (20, 7680242), (40, 3840121), (101, 1520840), (193, 795880), (197, 779720), (202, 760420), (386, 397940), (394, 389860), (404, 380210), (505, 304168), (772, 198970), (788, 194930), (808, 190105), (965, 159176), (985, 155944), (1010, 152084), (1544, 99485), (1576, 97465), (1930, 79588), (1970, 77972), (2020, 76042), (3860, 39794), (3940, 38986), (4040, 38021), (7720, 19897), (7880, 19493)]