1284657980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2072029}}^1$

素因数の和:2072069

約数の個数: 24

約数和(自身を含む): 2784808320

約数和(自身を除く): 1500150340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2072029, 4144058, 8288116, 10360145, 20720290, 41440580, 64232899, 128465798, 256931596, 321164495, 642328990, 1284657980]

約数ペア:

[(1, 1284657980), (2, 642328990), (4, 321164495), (5, 256931596), (10, 128465798), (20, 64232899), (31, 41440580), (62, 20720290), (124, 10360145), (155, 8288116), (310, 4144058), (620, 2072029)]