159725860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16069}}^1$

素因数の和:16156

約数の個数: 48

約数和(自身を含む): 388765440

約数和(自身を除く): 229039580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 16069, 32138, 64276, 80345, 112483, 160690, 224966, 321380, 449932, 562415, 1124830, 1140899, 2249660, 2281798, 4563596, 5704495, 7986293, 11408990, 15972586, 22817980, 31945172, 39931465, 79862930, 159725860]

約数ペア:

[(1, 159725860), (2, 79862930), (4, 39931465), (5, 31945172), (7, 22817980), (10, 15972586), (14, 11408990), (20, 7986293), (28, 5704495), (35, 4563596), (70, 2281798), (71, 2249660), (140, 1140899), (142, 1124830), (284, 562415), (355, 449932), (497, 321380), (710, 224966), (994, 160690), (1420, 112483), (1988, 80345), (2485, 64276), (4970, 32138), (9940, 16069)]