498820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{509}}^1$

素因数の和:532

約数の個数: 36

約数和(自身を含む): 1220940

約数和(自身を除く): 722120

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 509, 980, 1018, 2036, 2545, 3563, 5090, 7126, 10180, 14252, 17815, 24941, 35630, 49882, 71260, 99764, 124705, 249410, 498820]

約数ペア:

[(1, 498820), (2, 249410), (4, 124705), (5, 99764), (7, 71260), (10, 49882), (14, 35630), (20, 24941), (28, 17815), (35, 14252), (49, 10180), (70, 7126), (98, 5090), (140, 3563), (196, 2545), (245, 2036), (490, 1018), (509, 980)]