137880820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89533}}^1$

素因数の和:89560

約数の個数: 48

約数和(自身を含む): 361001088

約数和(自身を除く): 223120268

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, 89533, 179066, 358132, 447665, 626731, 895330, 984863, 1253462, 1790660, 1969726, 2506924, 3133655, 3939452, 4924315, 6267310, 6894041, 9848630, 12534620, 13788082, 19697260, 27576164, 34470205, 68940410, 137880820]

約数ペア:

[(1, 137880820), (2, 68940410), (4, 34470205), (5, 27576164), (7, 19697260), (10, 13788082), (11, 12534620), (14, 9848630), (20, 6894041), (22, 6267310), (28, 4924315), (35, 3939452), (44, 3133655), (55, 2506924), (70, 1969726), (77, 1790660), (110, 1253462), (140, 984863), (154, 895330), (220, 626731), (308, 447665), (385, 358132), (770, 179066), (1540, 89533)]