11945780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7757}}^1$

素因数の和:7784

約数の個数: 48

約数和(自身を含む): 31280256

約数和(自身を除く): 19334476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 7757, 15514, 31028, 38785, 54299, 77570, 85327, 108598, 155140, 170654, 217196, 271495, 341308, 426635, 542990, 597289, 853270, 1085980, 1194578, 1706540, 2389156, 2986445, 5972890, 11945780]

約数ペア:

[(1, 11945780), (2, 5972890), (4, 2986445), (5, 2389156), (7, 1706540), (10, 1194578), (11, 1085980), (14, 853270), (20, 597289), (22, 542990), (28, 426635), (35, 341308), (44, 271495), (55, 217196), (70, 170654), (77, 155140), (110, 108598), (140, 85327), (154, 77570), (220, 54299), (308, 38785), (385, 31028), (770, 15514), (1540, 7757)]