28380307970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405432971}}^1$

素因数の和:405432985

約数の個数: 16

約数和(自身を含む): 58382347968

約数和(自身を除く): 30002039998

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405432971, 810865942, 2027164855, 2838030797, 4054329710, 5676061594, 14190153985, 28380307970]

約数ペア:

[(1, 28380307970), (2, 14190153985), (5, 5676061594), (7, 4054329710), (10, 2838030797), (14, 2027164855), (35, 810865942), (70, 405432971)]