690978820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4935563}}^1$

素因数の和:4935579

約数の個数: 24

約数和(自身を含む): 1658349504

約数和(自身を除く): 967370684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4935563, 9871126, 19742252, 24677815, 34548941, 49355630, 69097882, 98711260, 138195764, 172744705, 345489410, 690978820]

約数ペア:

[(1, 690978820), (2, 345489410), (4, 172744705), (5, 138195764), (7, 98711260), (10, 69097882), (14, 49355630), (20, 34548941), (28, 24677815), (35, 19742252), (70, 9871126), (140, 4935563)]