25357990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{7393}}^1$

素因数の和:7421

約数の個数: 32

約数和(自身を含む): 53236800

約数和(自身を除く): 27878810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 7393, 14786, 36965, 51751, 73930, 103502, 258755, 362257, 517510, 724514, 1811285, 2535799, 3622570, 5071598, 12678995, 25357990]

約数ペア:

[(1, 25357990), (2, 12678995), (5, 5071598), (7, 3622570), (10, 2535799), (14, 1811285), (35, 724514), (49, 517510), (70, 362257), (98, 258755), (245, 103502), (343, 73930), (490, 51751), (686, 36965), (1715, 14786), (3430, 7393)]