406987990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{104089}}^1$

素因数の和:104136

約数の個数: 32

約数和(自身を含む): 809403840

約数和(自身を除く): 402415850

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 104089, 208178, 520445, 1040890, 1769513, 2394047, 3539026, 4788094, 8847565, 11970235, 17695130, 23940470, 40698799, 81397598, 203493995, 406987990]

約数ペア:

[(1, 406987990), (2, 203493995), (5, 81397598), (10, 40698799), (17, 23940470), (23, 17695130), (34, 11970235), (46, 8847565), (85, 4788094), (115, 3539026), (170, 2394047), (230, 1769513), (391, 1040890), (782, 520445), (1955, 208178), (3910, 104089)]