2979980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4027}}^1$

素因数の和:4073

約数の個数: 24

約数和(自身を含む): 6428688

約数和(自身を除く): 3448708

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 4027, 8054, 16108, 20135, 40270, 80540, 148999, 297998, 595996, 744995, 1489990, 2979980]

約数ペア:

[(1, 2979980), (2, 1489990), (4, 744995), (5, 595996), (10, 297998), (20, 148999), (37, 80540), (74, 40270), (148, 20135), (185, 16108), (370, 8054), (740, 4027)]