29175980

素因数分解:

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

素因数の和:578

約数の個数: 48

約数和(自身を含む): 63776160

約数和(自身を除く): 34600180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 178, 185, 356, 370, 443, 445, 740, 886, 890, 1772, 1780, 2215, 3293, 4430, 6586, 8860, 13172, 16391, 16465, 32782, 32930, 39427, 65564, 65860, 78854, 81955, 157708, 163910, 197135, 327820, 394270, 788540, 1458799, 2917598, 5835196, 7293995, 14587990, 29175980]

約数ペア:

[(1, 29175980), (2, 14587990), (4, 7293995), (5, 5835196), (10, 2917598), (20, 1458799), (37, 788540), (74, 394270), (89, 327820), (148, 197135), (178, 163910), (185, 157708), (356, 81955), (370, 78854), (443, 65860), (445, 65564), (740, 39427), (886, 32930), (890, 32782), (1772, 16465), (1780, 16391), (2215, 13172), (3293, 8860), (4430, 6586)]