206500780

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{43201}}^1$

素因数の和:43449

約数の個数: 24

約数和(自身を含む): 435476160

約数和(自身を除く): 228975380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 43201, 86402, 172804, 216005, 432010, 864020, 10325039, 20650078, 41300156, 51625195, 103250390, 206500780]

約数ペア:

[(1, 206500780), (2, 103250390), (4, 51625195), (5, 41300156), (10, 20650078), (20, 10325039), (239, 864020), (478, 432010), (956, 216005), (1195, 172804), (2390, 86402), (4780, 43201)]