31203580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 67989600

約数和(自身を除く): 36786020

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 283, 298, 370, 566, 596, 740, 745, 1132, 1415, 1490, 2830, 2980, 5513, 5660, 10471, 11026, 20942, 22052, 27565, 41884, 42167, 52355, 55130, 84334, 104710, 110260, 168668, 209420, 210835, 421670, 843340, 1560179, 3120358, 6240716, 7800895, 15601790, 31203580]

約数ペア:

[(1, 31203580), (2, 15601790), (4, 7800895), (5, 6240716), (10, 3120358), (20, 1560179), (37, 843340), (74, 421670), (148, 210835), (149, 209420), (185, 168668), (283, 110260), (298, 104710), (370, 84334), (566, 55130), (596, 52355), (740, 42167), (745, 41884), (1132, 27565), (1415, 22052), (1490, 20942), (2830, 11026), (2980, 10471), (5513, 5660)]