2197580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1427}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 5757696

約数和(自身を除く): 3560116

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, 1427, 1540, 2854, 5708, 7135, 9989, 14270, 15697, 19978, 28540, 31394, 39956, 49945, 62788, 78485, 99890, 109879, 156970, 199780, 219758, 313940, 439516, 549395, 1098790, 2197580]

約数ペア:

[(1, 2197580), (2, 1098790), (4, 549395), (5, 439516), (7, 313940), (10, 219758), (11, 199780), (14, 156970), (20, 109879), (22, 99890), (28, 78485), (35, 62788), (44, 49945), (55, 39956), (70, 31394), (77, 28540), (110, 19978), (140, 15697), (154, 14270), (220, 9989), (308, 7135), (385, 5708), (770, 2854), (1427, 1540)]