72939950

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 141218640

約数和(自身を除く): 68278690

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 89, 178, 185, 370, 443, 445, 886, 890, 925, 1850, 2215, 2225, 3293, 4430, 4450, 6586, 11075, 16391, 16465, 22150, 32782, 32930, 39427, 78854, 81955, 82325, 163910, 164650, 197135, 394270, 409775, 819550, 985675, 1458799, 1971350, 2917598, 7293995, 14587990, 36469975, 72939950]

約数ペア:

[(1, 72939950), (2, 36469975), (5, 14587990), (10, 7293995), (25, 2917598), (37, 1971350), (50, 1458799), (74, 985675), (89, 819550), (178, 409775), (185, 394270), (370, 197135), (443, 164650), (445, 163910), (886, 82325), (890, 81955), (925, 78854), (1850, 39427), (2215, 32930), (2225, 32782), (3293, 22150), (4430, 16465), (4450, 16391), (6586, 11075)]