2748410

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 5909760

約数和(自身を除く): 3161350

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 79, 98, 142, 158, 245, 355, 395, 490, 497, 553, 710, 790, 994, 1106, 2485, 2765, 3479, 3871, 4970, 5530, 5609, 6958, 7742, 11218, 17395, 19355, 28045, 34790, 38710, 39263, 56090, 78526, 196315, 274841, 392630, 549682, 1374205, 2748410]

約数ペア:

[(1, 2748410), (2, 1374205), (5, 549682), (7, 392630), (10, 274841), (14, 196315), (35, 78526), (49, 56090), (70, 39263), (71, 38710), (79, 34790), (98, 28045), (142, 19355), (158, 17395), (245, 11218), (355, 7742), (395, 6958), (490, 5609), (497, 5530), (553, 4970), (710, 3871), (790, 3479), (994, 2765), (1106, 2485)]