164787700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21401}}^1$

素因数の和:21433

約数の個数: 72

約数和(自身を含む): 445846464

約数和(自身を除く): 281058764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 21401, 42802, 85604, 107005, 149807, 214010, 235411, 299614, 428020, 470822, 535025, 599228, 749035, 941644, 1070050, 1177055, 1498070, 1647877, 2140100, 2354110, 2996140, 3295754, 3745175, 4708220, 5885275, 6591508, 7490350, 8239385, 11770550, 14980700, 16478770, 23541100, 32957540, 41196925, 82393850, 164787700]

約数ペア:

[(1, 164787700), (2, 82393850), (4, 41196925), (5, 32957540), (7, 23541100), (10, 16478770), (11, 14980700), (14, 11770550), (20, 8239385), (22, 7490350), (25, 6591508), (28, 5885275), (35, 4708220), (44, 3745175), (50, 3295754), (55, 2996140), (70, 2354110), (77, 2140100), (100, 1647877), (110, 1498070), (140, 1177055), (154, 1070050), (175, 941644), (220, 749035), (275, 599228), (308, 535025), (350, 470822), (385, 428020), (550, 299614), (700, 235411), (770, 214010), (1100, 149807), (1540, 107005), (1925, 85604), (3850, 42802), (7700, 21401)]