320213908

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{29399}}^1$

素因数の和:29799

約数の個数: 24

約数和(自身を含む): 642096000

約数和(自身を除く): 321882092

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 5446, 10892, 29399, 58798, 117596, 205793, 411586, 823172, 11436211, 22872422, 45744844, 80053477, 160106954, 320213908]

約数ペア:

[(1, 320213908), (2, 160106954), (4, 80053477), (7, 45744844), (14, 22872422), (28, 11436211), (389, 823172), (778, 411586), (1556, 205793), (2723, 117596), (5446, 58798), (10892, 29399)]