2080237180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2122691}}^1$

素因数の和:2122714

約数の個数: 36

約数和(自身を含む): 5081724648

約数和(自身を除く): 3001487468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2122691, 4245382, 8490764, 10613455, 14858837, 21226910, 29717674, 42453820, 59435348, 74294185, 104011859, 148588370, 208023718, 297176740, 416047436, 520059295, 1040118590, 2080237180]

約数ペア:

[(1, 2080237180), (2, 1040118590), (4, 520059295), (5, 416047436), (7, 297176740), (10, 208023718), (14, 148588370), (20, 104011859), (28, 74294185), (35, 59435348), (49, 42453820), (70, 29717674), (98, 21226910), (140, 14858837), (196, 10613455), (245, 8490764), (490, 4245382), (980, 2122691)]