68251990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7643}}^1$

素因数の和:7716

約数の個数: 32

約数和(自身を含む): 132088320

約数和(自身を除く): 63836330

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 7643, 8930, 15286, 38215, 76430, 145217, 290434, 359221, 718442, 726085, 1452170, 1796105, 3592210, 6825199, 13650398, 34125995, 68251990]

約数ペア:

[(1, 68251990), (2, 34125995), (5, 13650398), (10, 6825199), (19, 3592210), (38, 1796105), (47, 1452170), (94, 726085), (95, 718442), (190, 359221), (235, 290434), (470, 145217), (893, 76430), (1786, 38215), (4465, 15286), (7643, 8930)]