189486780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{451159}}^1$

素因数の和:451178

約数の個数: 48

約数和(自身を含む): 606359040

約数和(自身を除く): 416872260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 451159, 902318, 1353477, 1804636, 2255795, 2706954, 3158113, 4511590, 5413908, 6316226, 6767385, 9023180, 9474339, 12632452, 13534770, 15790565, 18948678, 27069540, 31581130, 37897356, 47371695, 63162260, 94743390, 189486780]

約数ペア:

[(1, 189486780), (2, 94743390), (3, 63162260), (4, 47371695), (5, 37897356), (6, 31581130), (7, 27069540), (10, 18948678), (12, 15790565), (14, 13534770), (15, 12632452), (20, 9474339), (21, 9023180), (28, 6767385), (30, 6316226), (35, 5413908), (42, 4511590), (60, 3158113), (70, 2706954), (84, 2255795), (105, 1804636), (140, 1353477), (210, 902318), (420, 451159)]