53140780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3137}}^1$

素因数の和:3175

約数の個数: 72

約数和(自身を含む): 140230944

約数和(自身を除く): 87090164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3137, 3388, 4235, 6274, 8470, 12548, 15685, 16940, 21959, 31370, 34507, 43918, 62740, 69014, 87836, 109795, 138028, 172535, 219590, 241549, 345070, 379577, 439180, 483098, 690140, 759154, 966196, 1207745, 1518308, 1897885, 2415490, 2657039, 3795770, 4830980, 5314078, 7591540, 10628156, 13285195, 26570390, 53140780]

約数ペア:

[(1, 53140780), (2, 26570390), (4, 13285195), (5, 10628156), (7, 7591540), (10, 5314078), (11, 4830980), (14, 3795770), (20, 2657039), (22, 2415490), (28, 1897885), (35, 1518308), (44, 1207745), (55, 966196), (70, 759154), (77, 690140), (110, 483098), (121, 439180), (140, 379577), (154, 345070), (220, 241549), (242, 219590), (308, 172535), (385, 138028), (484, 109795), (605, 87836), (770, 69014), (847, 62740), (1210, 43918), (1540, 34507), (1694, 31370), (2420, 21959), (3137, 16940), (3388, 15685), (4235, 12548), (6274, 8470)]