245659540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{250673}}^1$

素因数の和:250696

約数の個数: 36

約数和(自身を含む): 600113556

約数和(自身を除く): 354454016

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 250673, 501346, 1002692, 1253365, 1754711, 2506730, 3509422, 5013460, 7018844, 8773555, 12282977, 17547110, 24565954, 35094220, 49131908, 61414885, 122829770, 245659540]

約数ペア:

[(1, 245659540), (2, 122829770), (4, 61414885), (5, 49131908), (7, 35094220), (10, 24565954), (14, 17547110), (20, 12282977), (28, 8773555), (35, 7018844), (49, 5013460), (70, 3509422), (98, 2506730), (140, 1754711), (196, 1253365), (245, 1002692), (490, 501346), (980, 250673)]