1999788010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{298031}}^1$

素因数の和:298110

約数の個数: 32

約数和(自身を含む): 3991244544

約数和(自身を除く): 1991456534

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 6710, 298031, 596062, 1490155, 2980310, 3278341, 6556682, 16391705, 18179891, 32783410, 36359782, 90899455, 181798910, 199978801, 399957602, 999894005, 1999788010]

約数ペア:

[(1, 1999788010), (2, 999894005), (5, 399957602), (10, 199978801), (11, 181798910), (22, 90899455), (55, 36359782), (61, 32783410), (110, 18179891), (122, 16391705), (305, 6556682), (610, 3278341), (671, 2980310), (1342, 1490155), (3355, 596062), (6710, 298031)]