669969500

素因数分解:

$2^2\times 5^3\times {\mathrm{491}}^1\times {\mathrm{2729}}^1$

素因数の和:3239

約数の個数: 48

約数和(自身を含む): 1466730720

約数和(自身を除く): 796761220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 491, 500, 982, 1964, 2455, 2729, 4910, 5458, 9820, 10916, 12275, 13645, 24550, 27290, 49100, 54580, 61375, 68225, 122750, 136450, 245500, 272900, 341125, 682250, 1339939, 1364500, 2679878, 5359756, 6699695, 13399390, 26798780, 33498475, 66996950, 133993900, 167492375, 334984750, 669969500]

約数ペア:

[(1, 669969500), (2, 334984750), (4, 167492375), (5, 133993900), (10, 66996950), (20, 33498475), (25, 26798780), (50, 13399390), (100, 6699695), (125, 5359756), (250, 2679878), (491, 1364500), (500, 1339939), (982, 682250), (1964, 341125), (2455, 272900), (2729, 245500), (4910, 136450), (5458, 122750), (9820, 68225), (10916, 61375), (12275, 54580), (13645, 49100), (24550, 27290)]