31363420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3853}}^1$

素因数の和:3910

約数の個数: 48

約数和(自身を含む): 73811808

約数和(自身を除く): 42448388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 3853, 4070, 7706, 8140, 15412, 19265, 38530, 42383, 77060, 84766, 142561, 169532, 211915, 285122, 423830, 570244, 712805, 847660, 1425610, 1568171, 2851220, 3136342, 6272684, 7840855, 15681710, 31363420]

約数ペア:

[(1, 31363420), (2, 15681710), (4, 7840855), (5, 6272684), (10, 3136342), (11, 2851220), (20, 1568171), (22, 1425610), (37, 847660), (44, 712805), (55, 570244), (74, 423830), (110, 285122), (148, 211915), (185, 169532), (220, 142561), (370, 84766), (407, 77060), (740, 42383), (814, 38530), (1628, 19265), (2035, 15412), (3853, 8140), (4070, 7706)]