205364200

素因数分解:

$2^3\times 5^2\times {\mathrm{439}}^1\times {\mathrm{2339}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 478764000

約数和(自身を除く): 273399800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 439, 878, 1756, 2195, 2339, 3512, 4390, 4678, 8780, 9356, 10975, 11695, 17560, 18712, 21950, 23390, 43900, 46780, 58475, 87800, 93560, 116950, 233900, 467800, 1026821, 2053642, 4107284, 5134105, 8214568, 10268210, 20536420, 25670525, 41072840, 51341050, 102682100, 205364200]

約数ペア:

[(1, 205364200), (2, 102682100), (4, 51341050), (5, 41072840), (8, 25670525), (10, 20536420), (20, 10268210), (25, 8214568), (40, 5134105), (50, 4107284), (100, 2053642), (200, 1026821), (439, 467800), (878, 233900), (1756, 116950), (2195, 93560), (2339, 87800), (3512, 58475), (4390, 46780), (4678, 43900), (8780, 23390), (9356, 21950), (10975, 18712), (11695, 17560)]