216398410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{27779}}^1$

素因数の和:27846

約数の個数: 32

約数和(自身を含む): 420033600

約数和(自身を除く): 203635190

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 27779, 55558, 138895, 277790, 527801, 1055602, 1138939, 2277878, 2639005, 5278010, 5694695, 11389390, 21639841, 43279682, 108199205, 216398410]

約数ペア:

[(1, 216398410), (2, 108199205), (5, 43279682), (10, 21639841), (19, 11389390), (38, 5694695), (41, 5278010), (82, 2639005), (95, 2277878), (190, 1138939), (205, 1055602), (410, 527801), (779, 277790), (1558, 138895), (3895, 55558), (7790, 27779)]