212529940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1518071}}^1$

素因数の和:1518087

約数の個数: 24

約数和(自身を含む): 510072192

約数和(自身を除く): 297542252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1518071, 3036142, 6072284, 7590355, 10626497, 15180710, 21252994, 30361420, 42505988, 53132485, 106264970, 212529940]

約数ペア:

[(1, 212529940), (2, 106264970), (4, 53132485), (5, 42505988), (7, 30361420), (10, 21252994), (14, 15180710), (20, 10626497), (28, 7590355), (35, 6072284), (70, 3036142), (140, 1518071)]