4999820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 12192768

約数和(自身を除く): 7192948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 503, 710, 994, 1006, 1420, 1988, 2012, 2485, 2515, 3521, 4970, 5030, 7042, 9940, 10060, 14084, 17605, 35210, 35713, 70420, 71426, 142852, 178565, 249991, 357130, 499982, 714260, 999964, 1249955, 2499910, 4999820]

約数ペア:

[(1, 4999820), (2, 2499910), (4, 1249955), (5, 999964), (7, 714260), (10, 499982), (14, 357130), (20, 249991), (28, 178565), (35, 142852), (70, 71426), (71, 70420), (140, 35713), (142, 35210), (284, 17605), (355, 14084), (497, 10060), (503, 9940), (710, 7042), (994, 5030), (1006, 4970), (1420, 3521), (1988, 2515), (2012, 2485)]