421640205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1187}}^1$

素因数の和:1418

約数の個数: 64

約数和(自身を含む): 821145600

約数和(自身を除く): 399505395

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 199, 255, 357, 595, 597, 995, 1187, 1393, 1785, 2985, 3383, 3561, 4179, 5935, 6965, 8309, 10149, 16915, 17805, 20179, 20895, 23681, 24927, 41545, 50745, 60537, 71043, 100895, 118405, 124635, 141253, 236213, 302685, 355215, 423759, 706265, 708639, 1181065, 1653491, 2118795, 3543195, 4015621, 4960473, 8267455, 12046863, 20078105, 24802365, 28109347, 60234315, 84328041, 140546735, 421640205]

約数ペア:

[(1, 421640205), (3, 140546735), (5, 84328041), (7, 60234315), (15, 28109347), (17, 24802365), (21, 20078105), (35, 12046863), (51, 8267455), (85, 4960473), (105, 4015621), (119, 3543195), (199, 2118795), (255, 1653491), (357, 1181065), (595, 708639), (597, 706265), (995, 423759), (1187, 355215), (1393, 302685), (1785, 236213), (2985, 141253), (3383, 124635), (3561, 118405), (4179, 100895), (5935, 71043), (6965, 60537), (8309, 50745), (10149, 41545), (16915, 24927), (17805, 23681), (20179, 20895)]