159546940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2293}}^1$

素因数の和:2387

約数の個数: 72

約数和(自身を含む): 395412192

約数和(自身を除く): 235865252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2293, 2485, 3479, 4586, 4970, 6958, 9172, 9940, 11465, 13916, 16051, 17395, 22930, 32102, 34790, 45860, 64204, 69580, 80255, 112357, 160510, 162803, 224714, 321020, 325606, 449428, 561785, 651212, 814015, 1123570, 1139621, 1628030, 2247140, 2279242, 3256060, 4558484, 5698105, 7977347, 11396210, 15954694, 22792420, 31909388, 39886735, 79773470, 159546940]

約数ペア:

[(1, 159546940), (2, 79773470), (4, 39886735), (5, 31909388), (7, 22792420), (10, 15954694), (14, 11396210), (20, 7977347), (28, 5698105), (35, 4558484), (49, 3256060), (70, 2279242), (71, 2247140), (98, 1628030), (140, 1139621), (142, 1123570), (196, 814015), (245, 651212), (284, 561785), (355, 449428), (490, 325606), (497, 321020), (710, 224714), (980, 162803), (994, 160510), (1420, 112357), (1988, 80255), (2293, 69580), (2485, 64204), (3479, 45860), (4586, 34790), (4970, 32102), (6958, 22930), (9172, 17395), (9940, 16051), (11465, 13916)]