84009940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{600071}}^1$

素因数の和:600087

約数の個数: 24

約数和(自身を含む): 201624192

約数和(自身を除く): 117614252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 600071, 1200142, 2400284, 3000355, 4200497, 6000710, 8400994, 12001420, 16801988, 21002485, 42004970, 84009940]

約数ペア:

[(1, 84009940), (2, 42004970), (4, 21002485), (5, 16801988), (7, 12001420), (10, 8400994), (14, 6000710), (20, 4200497), (28, 3000355), (35, 2400284), (70, 1200142), (140, 600071)]