2149483420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{112069}}^1$

素因数の和:112222

約数の個数: 48

約数和(自身を含む): 5196461760

約数和(自身を除く): 3046978340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 9590, 19180, 112069, 224138, 448276, 560345, 784483, 1120690, 1568966, 2241380, 3137932, 3922415, 7844830, 15353453, 15689660, 30706906, 61413812, 76767265, 107474171, 153534530, 214948342, 307069060, 429896684, 537370855, 1074741710, 2149483420]

約数ペア:

[(1, 2149483420), (2, 1074741710), (4, 537370855), (5, 429896684), (7, 307069060), (10, 214948342), (14, 153534530), (20, 107474171), (28, 76767265), (35, 61413812), (70, 30706906), (137, 15689660), (140, 15353453), (274, 7844830), (548, 3922415), (685, 3137932), (959, 2241380), (1370, 1568966), (1918, 1120690), (2740, 784483), (3836, 560345), (4795, 448276), (9590, 224138), (19180, 112069)]