2228380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1447}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 5838336

約数和(自身を除く): 3609956

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, 1447, 1540, 2894, 5788, 7235, 10129, 14470, 15917, 20258, 28940, 31834, 40516, 50645, 63668, 79585, 101290, 111419, 159170, 202580, 222838, 318340, 445676, 557095, 1114190, 2228380]

約数ペア:

[(1, 2228380), (2, 1114190), (4, 557095), (5, 445676), (7, 318340), (10, 222838), (11, 202580), (14, 159170), (20, 111419), (22, 101290), (28, 79585), (35, 63668), (44, 50645), (55, 40516), (70, 31834), (77, 28940), (110, 20258), (140, 15917), (154, 14470), (220, 10129), (308, 7235), (385, 5788), (770, 2894), (1447, 1540)]