248577980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{253651}}^1$

素因数の和:253674

約数の個数: 36

約数和(自身を含む): 607242888

約数和(自身を除く): 358664908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 253651, 507302, 1014604, 1268255, 1775557, 2536510, 3551114, 5073020, 7102228, 8877785, 12428899, 17755570, 24857798, 35511140, 49715596, 62144495, 124288990, 248577980]

約数ペア:

[(1, 248577980), (2, 124288990), (4, 62144495), (5, 49715596), (7, 35511140), (10, 24857798), (14, 17755570), (20, 12428899), (28, 8877785), (35, 7102228), (49, 5073020), (70, 3551114), (98, 2536510), (140, 1775557), (196, 1268255), (245, 1014604), (490, 507302), (980, 253651)]