28492520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14537}}^1$

素因数の和:14562

約数の個数: 48

約数和(自身を含む): 74579940

約数和(自身を除く): 46087420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 14537, 29074, 58148, 72685, 101759, 116296, 145370, 203518, 290740, 407036, 508795, 581480, 712313, 814072, 1017590, 1424626, 2035180, 2849252, 3561565, 4070360, 5698504, 7123130, 14246260, 28492520]

約数ペア:

[(1, 28492520), (2, 14246260), (4, 7123130), (5, 5698504), (7, 4070360), (8, 3561565), (10, 2849252), (14, 2035180), (20, 1424626), (28, 1017590), (35, 814072), (40, 712313), (49, 581480), (56, 508795), (70, 407036), (98, 290740), (140, 203518), (196, 145370), (245, 116296), (280, 101759), (392, 72685), (490, 58148), (980, 29074), (1960, 14537)]