819845630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1041

約数の個数: 64

約数和(自身を含む): 1608768000

約数和(自身を除く): 788922370

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 139, 185, 190, 278, 370, 695, 703, 839, 1390, 1406, 1678, 2641, 3515, 4195, 5143, 5282, 7030, 8390, 10286, 13205, 15941, 25715, 26410, 31043, 31882, 51430, 62086, 79705, 97717, 116621, 155215, 159410, 195434, 233242, 310430, 488585, 583105, 589817, 977170, 1166210, 1179634, 2215799, 2949085, 4314977, 4431598, 5898170, 8629954, 11078995, 21574885, 22157990, 43149770, 81984563, 163969126, 409922815, 819845630]

約数ペア:

[(1, 819845630), (2, 409922815), (5, 163969126), (10, 81984563), (19, 43149770), (37, 22157990), (38, 21574885), (74, 11078995), (95, 8629954), (139, 5898170), (185, 4431598), (190, 4314977), (278, 2949085), (370, 2215799), (695, 1179634), (703, 1166210), (839, 977170), (1390, 589817), (1406, 583105), (1678, 488585), (2641, 310430), (3515, 233242), (4195, 195434), (5143, 159410), (5282, 155215), (7030, 116621), (8390, 97717), (10286, 79705), (13205, 62086), (15941, 51430), (25715, 31882), (26410, 31043)]