205748500

素因数分解:

$2^2\times 5^3\times {\mathrm{157}}^1\times {\mathrm{2621}}^1$

素因数の和:2797

約数の個数: 48

約数和(自身を含む): 452389392

約数和(自身を除く): 246640892

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 157, 250, 314, 500, 628, 785, 1570, 2621, 3140, 3925, 5242, 7850, 10484, 13105, 15700, 19625, 26210, 39250, 52420, 65525, 78500, 131050, 262100, 327625, 411497, 655250, 822994, 1310500, 1645988, 2057485, 4114970, 8229940, 10287425, 20574850, 41149700, 51437125, 102874250, 205748500]

約数ペア:

[(1, 205748500), (2, 102874250), (4, 51437125), (5, 41149700), (10, 20574850), (20, 10287425), (25, 8229940), (50, 4114970), (100, 2057485), (125, 1645988), (157, 1310500), (250, 822994), (314, 655250), (500, 411497), (628, 327625), (785, 262100), (1570, 131050), (2621, 78500), (3140, 65525), (3925, 52420), (5242, 39250), (7850, 26210), (10484, 19625), (13105, 15700)]