72710900

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{5231}}^1$

素因数の和:5384

約数の個数: 36

約数和(自身を含む): 158948160

約数和(自身を除く): 86237260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 2780, 3475, 5231, 6950, 10462, 13900, 20924, 26155, 52310, 104620, 130775, 261550, 523100, 727109, 1454218, 2908436, 3635545, 7271090, 14542180, 18177725, 36355450, 72710900]

約数ペア:

[(1, 72710900), (2, 36355450), (4, 18177725), (5, 14542180), (10, 7271090), (20, 3635545), (25, 2908436), (50, 1454218), (100, 727109), (139, 523100), (278, 261550), (556, 130775), (695, 104620), (1390, 52310), (2780, 26155), (3475, 20924), (5231, 13900), (6950, 10462)]