420964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 806400

約数和(自身を除く): 385436

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 191, 382, 551, 764, 1102, 2204, 3629, 5539, 7258, 11078, 14516, 22156, 105241, 210482, 420964]

約数ペア:

[(1, 420964), (2, 210482), (4, 105241), (19, 22156), (29, 14516), (38, 11078), (58, 7258), (76, 5539), (116, 3629), (191, 2204), (382, 1102), (551, 764)]