155432860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{3947}}^1$

素因数の和:4146

約数の個数: 48

約数和(自身を含む): 358162560

約数和(自身を除く): 202729700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 3947, 7876, 7894, 9845, 15788, 19690, 19735, 39380, 39470, 43417, 78940, 86834, 173668, 217085, 434170, 706513, 868340, 1413026, 2826052, 3532565, 7065130, 7771643, 14130260, 15543286, 31086572, 38858215, 77716430, 155432860]

約数ペア:

[(1, 155432860), (2, 77716430), (4, 38858215), (5, 31086572), (10, 15543286), (11, 14130260), (20, 7771643), (22, 7065130), (44, 3532565), (55, 2826052), (110, 1413026), (179, 868340), (220, 706513), (358, 434170), (716, 217085), (895, 173668), (1790, 86834), (1969, 78940), (3580, 43417), (3938, 39470), (3947, 39380), (7876, 19735), (7894, 19690), (9845, 15788)]