211370860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{621679}}^1$

素因数の和:621705

約数の個数: 24

約数和(自身を含む): 469990080

約数和(自身を除く): 258619220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 621679, 1243358, 2486716, 3108395, 6216790, 10568543, 12433580, 21137086, 42274172, 52842715, 105685430, 211370860]

約数ペア:

[(1, 211370860), (2, 105685430), (4, 52842715), (5, 42274172), (10, 21137086), (17, 12433580), (20, 10568543), (34, 6216790), (68, 3108395), (85, 2486716), (170, 1243358), (340, 621679)]