1291212100

素因数分解:

$2^2\times 5^2\times {\mathrm{443}}^1\times {\mathrm{29147}}^1$

素因数の和:29604

約数の個数: 36

約数和(自身を含む): 2808351504

約数和(自身を除く): 1517139404

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 443, 886, 1772, 2215, 4430, 8860, 11075, 22150, 29147, 44300, 58294, 116588, 145735, 291470, 582940, 728675, 1457350, 2914700, 12912121, 25824242, 51648484, 64560605, 129121210, 258242420, 322803025, 645606050, 1291212100]

約数ペア:

[(1, 1291212100), (2, 645606050), (4, 322803025), (5, 258242420), (10, 129121210), (20, 64560605), (25, 51648484), (50, 25824242), (100, 12912121), (443, 2914700), (886, 1457350), (1772, 728675), (2215, 582940), (4430, 291470), (8860, 145735), (11075, 116588), (22150, 58294), (29147, 44300)]