2499910

素因数分解:

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

素因数の和:588

約数の個数: 32

約数和(自身を含む): 5225472

約数和(自身を除く): 2725562

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 503, 710, 994, 1006, 2485, 2515, 3521, 4970, 5030, 7042, 17605, 35210, 35713, 71426, 178565, 249991, 357130, 499982, 1249955, 2499910]

約数ペア:

[(1, 2499910), (2, 1249955), (5, 499982), (7, 357130), (10, 249991), (14, 178565), (35, 71426), (70, 35713), (71, 35210), (142, 17605), (355, 7042), (497, 5030), (503, 4970), (710, 3521), (994, 2515), (1006, 2485)]