247495880

素因数分解:

$2^3\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{3307}}^1$

素因数の和:5189

約数の個数: 32

約数和(自身を含む): 557331840

約数和(自身を除く): 309835960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1871, 3307, 3742, 6614, 7484, 9355, 13228, 14968, 16535, 18710, 26456, 33070, 37420, 66140, 74840, 132280, 6187397, 12374794, 24749588, 30936985, 49499176, 61873970, 123747940, 247495880]

約数ペア:

[(1, 247495880), (2, 123747940), (4, 61873970), (5, 49499176), (8, 30936985), (10, 24749588), (20, 12374794), (40, 6187397), (1871, 132280), (3307, 74840), (3742, 66140), (6614, 37420), (7484, 33070), (9355, 26456), (13228, 18710), (14968, 16535)]