287972380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{182261}}^1$

素因数の和:182349

約数の個数: 24

約数和(自身を含む): 612400320

約数和(自身を除く): 324427940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 182261, 364522, 729044, 911305, 1822610, 3645220, 14398619, 28797238, 57594476, 71993095, 143986190, 287972380]

約数ペア:

[(1, 287972380), (2, 143986190), (4, 71993095), (5, 57594476), (10, 28797238), (20, 14398619), (79, 3645220), (158, 1822610), (316, 911305), (395, 729044), (790, 364522), (1580, 182261)]