2915990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{541}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 6673104

約数和(自身を除く): 3757114

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 541, 770, 1078, 1082, 2695, 2705, 3787, 5390, 5410, 5951, 7574, 11902, 18935, 26509, 29755, 37870, 41657, 53018, 59510, 83314, 132545, 208285, 265090, 291599, 416570, 583198, 1457995, 2915990]

約数ペア:

[(1, 2915990), (2, 1457995), (5, 583198), (7, 416570), (10, 291599), (11, 265090), (14, 208285), (22, 132545), (35, 83314), (49, 59510), (55, 53018), (70, 41657), (77, 37870), (98, 29755), (110, 26509), (154, 18935), (245, 11902), (385, 7574), (490, 5951), (539, 5410), (541, 5390), (770, 3787), (1078, 2705), (1082, 2695)]