72154210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1237}}^1$

素因数の和:1570

約数の個数: 32

約数和(自身を含む): 137269440

約数和(自身を除く): 65115230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 307, 614, 1237, 1535, 2474, 3070, 5833, 6185, 11666, 12370, 23503, 29165, 47006, 58330, 117515, 235030, 379759, 759518, 1898795, 3797590, 7215421, 14430842, 36077105, 72154210]

約数ペア:

[(1, 72154210), (2, 36077105), (5, 14430842), (10, 7215421), (19, 3797590), (38, 1898795), (95, 759518), (190, 379759), (307, 235030), (614, 117515), (1237, 58330), (1535, 47006), (2474, 29165), (3070, 23503), (5833, 12370), (6185, 11666)]