138719020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11897}}^1$

素因数の和:11970

約数の個数: 48

約数和(自身を含む): 323815968

約数和(自身を除く): 185096948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 11897, 23794, 47588, 59485, 118970, 130867, 237940, 261734, 523468, 630541, 654335, 1261082, 1308670, 2522164, 2617340, 3152705, 6305410, 6935951, 12610820, 13871902, 27743804, 34679755, 69359510, 138719020]

約数ペア:

[(1, 138719020), (2, 69359510), (4, 34679755), (5, 27743804), (10, 13871902), (11, 12610820), (20, 6935951), (22, 6305410), (44, 3152705), (53, 2617340), (55, 2522164), (106, 1308670), (110, 1261082), (212, 654335), (220, 630541), (265, 523468), (530, 261734), (583, 237940), (1060, 130867), (1166, 118970), (2332, 59485), (2915, 47588), (5830, 23794), (11660, 11897)]