289194080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{36887}}^1$

素因数の和:36916

約数の個数: 72

約数和(自身を含む): 794788848

約数和(自身を除く): 505594768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 36887, 73774, 147548, 184435, 258209, 295096, 368870, 516418, 590192, 737740, 1032836, 1180384, 1291045, 1475480, 1807463, 2065672, 2582090, 2950960, 3614926, 4131344, 5164180, 5901920, 7229852, 8262688, 9037315, 10328360, 14459704, 18074630, 20656720, 28919408, 36149260, 41313440, 57838816, 72298520, 144597040, 289194080]

約数ペア:

[(1, 289194080), (2, 144597040), (4, 72298520), (5, 57838816), (7, 41313440), (8, 36149260), (10, 28919408), (14, 20656720), (16, 18074630), (20, 14459704), (28, 10328360), (32, 9037315), (35, 8262688), (40, 7229852), (49, 5901920), (56, 5164180), (70, 4131344), (80, 3614926), (98, 2950960), (112, 2582090), (140, 2065672), (160, 1807463), (196, 1475480), (224, 1291045), (245, 1180384), (280, 1032836), (392, 737740), (490, 590192), (560, 516418), (784, 368870), (980, 295096), (1120, 258209), (1568, 184435), (1960, 147548), (3920, 73774), (7840, 36887)]