8048980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 17715600

約数和(自身を除く): 9666620

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 149, 185, 292, 298, 365, 370, 596, 730, 740, 745, 1460, 1490, 2701, 2980, 5402, 5513, 10804, 10877, 11026, 13505, 21754, 22052, 27010, 27565, 43508, 54020, 54385, 55130, 108770, 110260, 217540, 402449, 804898, 1609796, 2012245, 4024490, 8048980]

約数ペア:

[(1, 8048980), (2, 4024490), (4, 2012245), (5, 1609796), (10, 804898), (20, 402449), (37, 217540), (73, 110260), (74, 108770), (146, 55130), (148, 54385), (149, 54020), (185, 43508), (292, 27565), (298, 27010), (365, 22052), (370, 21754), (596, 13505), (730, 11026), (740, 10877), (745, 10804), (1460, 5513), (1490, 5402), (2701, 2980)]