199048840

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{4049}}^1$

素因数の和:5289

約数の個数: 32

約数和(自身を含む): 448335000

約数和(自身を除く): 249286160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 2458, 4049, 4916, 6145, 8098, 9832, 12290, 16196, 20245, 24580, 32392, 40490, 49160, 80980, 161960, 4976221, 9952442, 19904884, 24881105, 39809768, 49762210, 99524420, 199048840]

約数ペア:

[(1, 199048840), (2, 99524420), (4, 49762210), (5, 39809768), (8, 24881105), (10, 19904884), (20, 9952442), (40, 4976221), (1229, 161960), (2458, 80980), (4049, 49160), (4916, 40490), (6145, 32392), (8098, 24580), (9832, 20245), (12290, 16196)]