3901450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 8463744

約数和(自身を除く): 4562294

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 157, 175, 314, 350, 355, 497, 710, 785, 994, 1099, 1570, 1775, 2198, 2485, 3550, 3925, 4970, 5495, 7850, 10990, 11147, 12425, 22294, 24850, 27475, 54950, 55735, 78029, 111470, 156058, 278675, 390145, 557350, 780290, 1950725, 3901450]

約数ペア:

[(1, 3901450), (2, 1950725), (5, 780290), (7, 557350), (10, 390145), (14, 278675), (25, 156058), (35, 111470), (50, 78029), (70, 55735), (71, 54950), (142, 27475), (157, 24850), (175, 22294), (314, 12425), (350, 11147), (355, 10990), (497, 7850), (710, 5495), (785, 4970), (994, 3925), (1099, 3550), (1570, 2485), (1775, 2198)]