313051940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{920741}}^1$

素因数の和:920767

約数の個数: 24

約数和(自身を含む): 696080952

約数和(自身を除く): 383029012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 920741, 1841482, 3682964, 4603705, 9207410, 15652597, 18414820, 31305194, 62610388, 78262985, 156525970, 313051940]

約数ペア:

[(1, 313051940), (2, 156525970), (4, 78262985), (5, 62610388), (10, 31305194), (17, 18414820), (20, 15652597), (34, 9207410), (68, 4603705), (85, 3682964), (170, 1841482), (340, 920741)]