7951720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4057}}^1$

素因数の和:4082

約数の個数: 48

約数和(自身を含む): 20817540

約数和(自身を除く): 12865820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4057, 8114, 16228, 20285, 28399, 32456, 40570, 56798, 81140, 113596, 141995, 162280, 198793, 227192, 283990, 397586, 567980, 795172, 993965, 1135960, 1590344, 1987930, 3975860, 7951720]

約数ペア:

[(1, 7951720), (2, 3975860), (4, 1987930), (5, 1590344), (7, 1135960), (8, 993965), (10, 795172), (14, 567980), (20, 397586), (28, 283990), (35, 227192), (40, 198793), (49, 162280), (56, 141995), (70, 113596), (98, 81140), (140, 56798), (196, 40570), (245, 32456), (280, 28399), (392, 20285), (490, 16228), (980, 8114), (1960, 4057)]