28519960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14551}}^1$

素因数の和:14576

約数の個数: 48

約数和(自身を含む): 74651760

約数和(自身を除く): 46131800

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, 14551, 29102, 58204, 72755, 101857, 116408, 145510, 203714, 291020, 407428, 509285, 582040, 712999, 814856, 1018570, 1425998, 2037140, 2851996, 3564995, 4074280, 5703992, 7129990, 14259980, 28519960]

約数ペア:

[(1, 28519960), (2, 14259980), (4, 7129990), (5, 5703992), (7, 4074280), (8, 3564995), (10, 2851996), (14, 2037140), (20, 1425998), (28, 1018570), (35, 814856), (40, 712999), (49, 582040), (56, 509285), (70, 407428), (98, 291020), (140, 203714), (196, 145510), (245, 116408), (280, 101857), (392, 72755), (490, 58204), (980, 29102), (1960, 14551)]