310020476

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{397}}^1\times {\mathrm{991}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 547214976

約数和(自身を除く): 237194500

約数列:

[1, 2, 4, 197, 394, 397, 788, 794, 991, 1588, 1982, 3964, 78209, 156418, 195227, 312836, 390454, 393427, 780908, 786854, 1573708, 77505119, 155010238, 310020476]

約数ペア:

[(1, 310020476), (2, 155010238), (4, 77505119), (197, 1573708), (394, 786854), (397, 780908), (788, 393427), (794, 390454), (991, 312836), (1588, 195227), (1982, 156418), (3964, 78209)]